37 Free Registry Cleaners

A list of the best freeware registry cleaner and registry repair software

Registry cleaners are software programs that put off needless entries from the Windows Registry. Registry cleaners are specifically beneficial for putting off registry entries that factor to files that not exist.

Note:We’ve only covered freeware registry cleaner programs on this list — in different words, most effective absolutely loose registry cleaners. Any registry cleaner application that fees a price of any type (e.G., shareware, trialware) will not be protected here. If a loose registry cleanser has commenced to rate and we haven’t eliminated it yet, please let me recognize.
Important:Free registry cleaners ought to handiest be used to troubleshoot unique issues. See How Often Should I Run a Registry Cleaner? For greater on that. See our Registry Cleaner FAQ for greater approximately registry cleaning and registry cleanser software program.

CCleaner

What We Like

  • Creates a backup file earlier than making any changes to the registry.
  • Contains super feature set.
  • Offers installable and transportable versions.
  • Supports many Windows operating system variations

What We Don’t Like

  • Installer adds different applications except expressly denied permission.
  • Download web page is confusing.
  • Could use increased documentation for new customers.
  • Free only for home users

CCleaner is the quality unfastened registry purifier program I’ve tested. It’s clean to use, prompts you to backup the registry before it makes modifications, and consists of a number of different beneficial gear.

Piriform gives both installable and transportable variations in their free registry cleanser.

If you are set on the use of an automated device to repair an problem you have it’s because of a registry trouble, I notably advise you operate Piriform’s CCleaner freeware registry purifier device.

The CCleaner registry cleaner works on Windows 10, 8 & eight.1, 7, Vista, XP, Server 2008/2003, and older Windows versions like 2000, NT, ME and ninety eight. Sixty four-bit Windows versions are also supported.

CCleaner also works with macOS 10.6 to 10.14 Mojave.

I tested CCleaner v5.60 the usage of both their portable and installable variations on a 64-bit model of Windows 10 and Windows eight.

Wise Registry Cleaner

What We Like

  • Easy to use.
  • Automatically backs up registry before cleansing.
  • Scheduled automated registry cleaning.
  • Three ranges of registry experiment

What We Don’t Like

  • May try to install an extra program during setup.
  • Requires a reboot.

Wise Registry Cleaner is available in very near the other top rated registry restoration equipment. They’ve put together a first-rate unfastened registry cleaner software.

Some big pluses for Wise’s unfastened registry cleaner include fast registry scans, scheduled scans, in location updates, and a clear separation among everyday troubles and people which are “risky,” a feature I loved.

I do not just like the truth that Wise Registry Cleaner pushes for a download of Wise Disk Cleaner on the stop of the set up however it is smooth to skip.

Wise Registry Cleaner is available in both installable and transportable variations and may be used on Windows 10, 8, 7, Vista, and XP. 64-bit Windows variations are supported.

I examined the installable version of Wise Registry Cleaner v10.2.4 in Windows 10.

JetClean

What We Like

  • Clean, intuitive interface.
  • Automatically backs up registry.
  • Scheduled cleanings.
  • One-click scan.

What We Don’t Like

  • Tries to install toolbar during installation.
  • Portable version generated within installed version.
  • Keeps a lot of cookies.

JetClean, a loose registry cleanser via BlueSprig, isn’t always one I see mentioned loads but I found it to be very well performed.

JetClean scanned the complete registry in only a few seconds and has a nicely-designed interface.

There are two primary things I failed to like approximately JetClean. One: The range of cookies that JetClean considers keepable, by way of default, is a piece immoderate. Two: It attempts to install a toolbar, but you could decline it at some point of set up.

I also do not like that there’s now not an without difficulty to be had portable version of JetClean. Yes, one exists, however you need to “generate” one from within the set up version of JetClean in your laptop. Strange!

The JetClean registry purifier supports both 32-bit and 64-bit variations of Windows 10, Windows eight, Windows 7, Windows Vista, Windows XP, and Windows 2000.

I tested JetClean v1.5.0 in Windows 10 and Windows 7.

Auslogics Registry Cleaner

What We Like

  • One-click cleaning.
  • Automatic registry backup.
  • Can be paused and then continue later.
  • Nicely formatted report of problems found and fixed.

What We Don’t Like

  • Tries to install additional programs during setup.
  • Several additional features aren’t free.

Auslogics Registry Cleaner is any other superb registry purifier software — it’s in all likelihood one of the simplest registry cleaners to apply out of all the gear we have tested.

One pleasant function of Auslogics Registry Cleaner is the coloured severity score for every category of registry region that the program unearths that desires attention. This makes it without a doubt easy to discern out what might be having an effect for your computer.

If the numerous higher rated registry repair gear in this listing don’t come up with the outcomes you have been looking for, provide Auslogics Registry Cleaner a strive.

Auslogics Registry Cleaner is well suited with Windows 10, Windows eight and Windows 7 (sixty four-bit and 32-bit), in addition to 32-bit versions of Windows Vista and Windows XP.

Auslogics Registry Cleaner v8.0.Zero.2 changed into tested in Windows 10.

Note:Before and after installing Auslogics Registry Cleaner, you may be asked to install different applications, but they are easy to deselect it if you wish not to install it.

AML Registry Cleaner

What We Like

  • Easy-to-use interface.
  • Includes additional useful tools.
  • Can exclude registry items from scan.

What We Don’t Like

  • Registry backups aren’t automatic.
  • Scans a little slowly.

AML Registry Cleaner wasn’t part of this list after I first put it collectively which turned into an obvious oversight on my element. AML’s free registry device has been the maximum common reader-advised addition to those applications.

The interface is a chunk “old” in fashion, however AML Registry Cleaner makes up for that with a strong registry seek, masses of nevertheless-free additional tools, and a long history of no longer by chance causing greater issues.

AML Registry Cleaner works on each sixty four-bit and 32-bit versions of Windows 10, 8, 7, Vista, and XP, as well as on a few Windows Server working structures.

I examined AML Registry Cleaner v4.25 in Windows 10 and Windows 7.

Registry Repair

What We Like

  • Creates backup automatically.
  • Uncluttered interface.
  • Program updates automatically.

What We Don’t Like

  • No option to create a restore point.
  • May try to install unneeded programs during setup.

Glarysoft’s Registry Repair is any other good freeware registry cleaner. Registry Repair is quite easy to use and is a great choice if some of the better tools aren’t running out for you.

Registry Repair works in Windows 10, 8, 7, Vista, XP, Server 2003, and older Windows running structures like Windows 2000, NT, ME and 98.

I examined Glarysoft’s Registry Repair v5.Zero.1.102 in Windows 10 and Windows 7.

SlimCleaner Free

What We Like

  • Schedules daily or weekly scans.
  • Backs up registry automatically.
  • Can be used from portable device.
  • Includes many useful tools.

What We Don’t Like

  • Scan results aren’t user friendly.
  • Must deselect other tools before scanning registry.
  • Portable version must be generated from the installed program.

I was pretty impressed with SlimCleaner Free. Aside from a standard registry cleaning abilities, there are lots of completely free extras with this program like software update checks, startup optimization, system cleaning, and a lot more.

SlimCleaner Free works in Windows 10, 8, 7, Vista, and XP, and 2000.

I tested SlimCleaner Free v4.1 in Windows 10 and Windows 7.

jv16 PowerTools Lite 2013

What We Like

  • Interface isn’t confusing.
  • Generates automatic registry backups.
  • Highly customizable.

What We Don’t Like

  • Interface shows its age.
  • Lots of options increase the chance of causing problems.
  • Not as user-friendly as other registry cleaners.

Jv16 PowerTools Lite is a freeware registry cleanser created by Macecraft, makers of numerous famous Windows utilities. Jv16 PowerTools Lite was fast and located a similar quantity of unnecessary registry entries as other equipment on this region of my listing.

No toolbars or different packages tried to install like with a few different free registry cleaners.

Jv16 PowerTools Lite works with Windows 10, eight, 7, Vista, and XP.

I examined jv16 PowerTools Lite in Windows 8.

Kingsoft PC Doctor

What We Like

  • Automatic registry backup.
  • Uncluttered interface.
  • Includes additional useful tools.

What We Don’t Like

  • Hasn’t been updated in years.
  • No scheduling options.
  • Can’t fix all identified problems, which reappear on subsequent scans.

Kingsoft PC Doctor is some other registry cleaner embedded in a software program suite.

This program is surely smooth to use, and the registry cleanser isn’t hidden away deep inside – it’s very clean to spot and run without any hassles.

One aspect I didn’t like about Kingsoft PC Doctor is that you can’t time table a registry cleansing at a later date, but you ought to instead run it manually. While that is the case, the guide scans do find a hefty amount of mistakes which can be just a click away from being removed.

Kingsoft PC Doctor is said to paintings with Windows 7, Vista, and XP, but I examined v3.7 in Windows eight and Windows 10 with none issues.

EasyCleaner

What We Like

  • Automatic registry backup before scan.
  • Easy-to-use interface.
  • Includes other useful tools.
  • Plenty of settings options.

What We Don’t Like

  • Doesn’t work with some recent versions of Windows.
  • Hasn’t been updated in years.
  • No scheduling options.

EasyCleaner is one of the oldest and most relied on free registry cleaners available. The interface is a chunk dated, however it is a strong registry repair tool.

EasyCleaner took drastically longer than different registry cleaners to scan my registry, but it did a pleasant task usual. I additionally favored that I wasn’t asked to put in a totally unrelated and vain browser toolbar all through the installation!

Both installer and portable versions of this registry cleaner are to be had.

The ToniArts website says that EasyCleaner works in Windows XP, 2000, NT, ME, ninety eight, and ninety five, however you would possibly have luck the use of it in more recent variations of Windows, too.

I examined EasyCleaner v2.Zero.6.380 in Windows eight without any troubles, however it didn’t paintings efficaciously for me in Windows 10.

Argente Registry Cleaner

What We Like

  • Choice of two analysis modes.
  • Easy to undo changes to registry.
  • Backs up registry automatically.

What We Don’t Like

  • Interface learning curve.
  • No scheduled scans.

Argente Registry Cleaner is a registry purifier that walks you thru a tiny wizard when you first open the program, which makes scanning for errors as an alternative easy. It discovered approximately as many troubles as the opposite programs in this listing.

Registry backups are created robotically before casting off any registry gadgets, and an automatic maintenance mode does all of the cleaning for you when your laptop first starts, with none intervention in your component, that is clearly satisfactory.

Undoing modifications to your registry are honestly clean because you may either restore to an mechanically created backup or make your own registry backup each time you like, and then repair the registry from the Undo modifications phase of the program.

Argente Registry Cleaner works in Windows 10, eight, 7, Vista, and XP. I tested the most current model of Windows 10 and Windows 7.

Note:The website for Argente Software is in Spanish, but the download hyperlink above is to an English page. There’s additionally a portable version of Argente Registry Cleaner that you may down load from Softpedia.

Advanced SystemCare Free

What We Like

  • One-click scan and repair mode.
  • No need to view the scan results before repairing the registry.
  • Good for users who aren’t tech-savvy.

What We Don’t Like

  • Must uncheck all other options before scanning the registry.
  • All the features can be overwhelming.

Advanced SystemCare Free is certainly one of IObit’s many freeware programs. “Registry Clean” is the software in Advanced SystemCare that does the registry cleaning.

I discover the registry experiment to be very quick regardless of a number of mistakes the program finds. Advanced SystemCare is super for the non-tech-savvy due to the fact you don’t even have to view the consequences to repair them. Moreover, you could really close down or restart your PC whilst the cleansing is finished so you don’t need to fear about it.

One factor I don’t like about Advanced SystemCare is that if you’re after a selected cleaning type, like registry cleaning, you should first uncheck all the other alternatives. All the features which can be offered can be overwhelming and get to your manner.

Also, the Deep Clean choice requires the professional version of the program.

Advanced SystemCare Free works in Windows 10, 8, 7, Vista, and XP. I tested Advanced SystemCare Free v12.5 in Windows 10.

WinUtilities Registry Cleaner

What We Like

  • Registry cleaning wizard.
  • Automatic registry backup.
  • Sets up restore points.
  • Lots of additional tools.

What We Don’t Like

  • Limited support.
  • Doesn’t remove junk files from Edge, Chrome, or Firefox browsers.

WinUtilities Free is just like Advanced SystemCare Free in that it has lots of different equipment similarly to a registry cleaner. This application’s registry cleaner is positioned in Modules > Clean Up & Repair.

This registry purifier walks you through a wizard so you can pick out which regions of the registry to scan, and then you may select to create a repair factor before doing any cleaning. You can also export the listing of mistakes to an HTML report.

One issue I like approximately WinUtilities Registry Cleaner is that you can installation the repair points to be removed mechanically after a number of days. This helps keep your pc loose from muddle whilst also presenting you with a while to repair your pc to the kingdom it changed into in before you made the registry adjustments.

You also can repair the registry to its preceding kingdom the usage of WinUtilities Registry Cleaner’s computerized registry backups if you’d as an alternative not repair your complete computer.

WinUtilities Free works with 32-bit and 64-bit versions of Windows XP and more recent Windows running systems.

I tested WinUtilities Free v15.Seventy four in Windows eight.

Little Registry Cleaner

What We Like

  • Automatic registry backup.
  • Portable version.
  • Open source, multi-language software.

What We Don’t Like

  • Ad supported.
  • Little guidance.
  • Slower than some other programs in this field.

This loose Windows Registry cleaner software packs some top notch features right into a minimum application.

For starters, Little Registry Cleaner observed plenty greater problems in my registry than maximum different registry cleaners, so if one of the others on this list isn’t always operating well for you, do that one.

This program additionally lets you choose which folder to your laptop to apply for automated registry backups before cleaning, can ignore sure files and folders from being scanned, will create a repair factor before deleting the registry files, and may experiment your pc for invalid registry entries on a schedule.

Little Registry Cleaner ought to paintings quality with any latest model of Windows. I tested version 1.6.0 in Windows 10 and did not run into any troubles.

Eusing Free Registry Cleaner

What We Like

  • User-friendly interface.
  • Scans for invalid or obsolete information.
  • Automatic registry backup.
  • No adware

What We Don’t Like

  • Insufficient descriptions of registry problems.
  • May require using RegEdit after scan.

Eusing Free Registry Cleaner is every other unfastened registry cleanser. I frequently see references to this unique registry cleanser on different “pinnacle” lists, but I did not find whatever mind-blowing about it.

Tips:Remember, a registry purifier application isn’t a regular PC upkeep tool. Registry cleaners don’t normally speed up your computer or offer another day-to-day upgrades to your PC. Registry cleaners ought to only be used to assist resolve unique kinds of troubles.

Eusing Software says that their free registry cleanser works on Windows 10, 8, 7, Vista, Server 2003, XP, 2000, NT, ME, 98, and 95. Portable and installable versions are to be had.

I examined Eusing Free Registry Cleaner v4.3 in Windows 7.

Cleanersoft Free Registry Fix

What We Like

  • Easy-to-use interface.
  • Identifies and repairs invalid registry entries.
  • No adware.
  • Automatic registry backup.

What We Don’t Like

  • Slow scanning speed.
  • Insufficient documentation.

Cleanersoft Free Registry Fix is suspiciously much like Eusing Free Registry Cleaner. That said, I’m not sure which freeware registry cleanser came first. The handiest reason I rank Cleanersoft’s Free Registry Fix lower than Eusing Free Registry Cleaner is because this program took a completely long term to scan the registry.

Of all the loose registry cleaners that I tested, Cleanersoft Free Registry Fix located the biggest quantity of registry entries that wanted “repaired” but that doesn’t always mean it is the exceptional application.

I examined v2.1 of Cleanersoft Software’s free registry purifier in Windows 10, but it additionally works with Windows eight, Windows 7, and older variations of Windows.

Free Window Registry Repair

What We Like

  • Options for full and custom scans.
  • Creates restore points.
  • Option to back up registry.
  • Can be set to scan registry at system startup automatically.

What We Don’t Like

  • Insufficient guidance on how to use the program.
  • Requires multiple scans to identify all errors.

Free Window Registry Repair reminds me loads of Eusing Free Registry Cleaner and Cleanersoft Free Registry Fix, so my assessment is comparable. Try this registry cleanser if you need to, pass it and attempt a higher one in case you don’t.

Registry scan time with Free Window Registry Repair was longer that with a number of the higher rated registry cleaners, but standard it looks as if a respectable tool.

RegSofts Software’s internet site says Free Window Registry Repair is well suited with Windows 8, 7, Vista, XP, and 2000, NT, ME and ninety eight.

I effectively used Free Window Registry Repair to clean up the registry in each Windows 10 and Windows 7.

nCleaner

What We Like

  • Easy to use.
  • Complete toolset.
  • Aggressive cleaner best for experienced users.

What We Don’t Like

  • Hasn’t been upgraded in years.
  • New users could end up deleting items the computer needs.
  • Confusing interface.

NCleaner appears to be as true a registry purifier as every other on this vicinity of my list. It does all of your standard registry cleansing, in addition to a few gadget cleansing.

I found nCleaner’s interface to be a bit puzzling, and I also do not like that it hasn’t been up to date in years. However, I felt pressured to as a minimum include it right here after receiving so many guidelines to feature it to the listing.

I examined the nCleaner v2.Three.Four in Windows 10 and eight and it appeared to paintings properly, however it is most effective indexed as helping as much as Windows Vista.

ACleaner

What We Like

  • Scans all or part of the registry.
  • Provides list of all errors.
  • Removes all or selected errors.
  • Make backup automatically.

What We Don’t Like

  • Interface looks outdated.
  • Contains unrelated tools that new users may find confusing.

ACleaner is some other loose registry cleaner. Although it appears a bit outdated, it works for the newer running structures and does the job properly.

The Windows registry is sponsored up automatically earlier than solving any issues, and restoring is only a couple clicks away.

There’s also a startup supervisor and system cleaner that comes bundled with ACleaner, but the registry purifier isn’t tough to find.

ACleaner works with Windows 10 down thru Windows 2000. I examined v4.Five in both Windows 10 and Windows 7 and did not discover any problems.

Secure Eraser

What We Like

  • Attractive, easy-to-use interface.
  • Scan generates list of obsolete and invalid files.

What We Don’t Like

  • Asks permission to install unrelated program.
  • Annoying prompts to upgrade to paid version.
  • Documentation in German.

Secure Eraser is a program suite that includes a devoted segment for registry cleansing as well as for different equipment like a file shredder.

Secure Eraser’s registry cleansing characteristic regarded to discover maximum of the same mistakes and invalid entries as the alternative cleaners on this listing.

After cleaning the registry, a effects web page will display on your Internet browser. This can be annoying, however it is without difficulty toggled off from the settings.

Secure Eraser works with Windows 10, eight, 7, Vista, and XP. I tested version 5.102 in Windows 8.

Note:After setup has mounted Secure Eraser, it may ask you to feature another program on your laptop, however you can pass over this in case you’d rather not deploy the additional program.

Free Error Cleaner

What We Like

  • Backs up registry before scan.
  • Option to automatically repair items after each scan.
  • Restore deleted items any time.

What We Don’t Like

  • Basic-looking interface.
  • Hasn’t been updated in years.

Free Error Cleaner is a registry purifier through PC Sleek with an clean-to-use interface. It combines some different search parameters similarly to the registry, but they’re very easy to disable if you just need to restoration registry troubles.

Although the program appears outdated and easy, it backs up the registry before cleaning and appears to find approximately as many issues as the alternative registry cleaners in this list.

Free Error Cleaner is said to paintings in Windows 7, Vista, and XP. I examined v3.46 in Windows eight with none issues.

Pointstone Registry Cleaner

What We Like

  • Scan results separated into categories.
  • Assigns severity level to errors.
  • Registry is backed up automatically.

What We Don’t Like

  • Detection is shallow.
  • May require multiple scans to repair all invalid registry entries.

Pointstone Registry Cleaner has a nice, current interface and rings a bell in my memory of Wise Registry Cleaner (in the direction of the top of this list). Results are separated into sections for without problems viewing classes a registry mistakes belongs to.

The scanning speed is decent and then suggests what’s referred to as a “Damage Level” so that you realize how intense the mistakes can be earlier than fixing them. Registry gadgets are subsidized up earlier than any corrections are executed.

Pointstone Registry Cleaner should work in Windows 10, eight, 7, Vista, and XP. I examined v4.20 in Windows 7 with none issues.

Note: Use the link below the Registry Cleaner column on the download page to start the download.

Registry Distiller

What We Like

  • Fast scan quickly locates errors.
  • Backs up registry automatically.
  • Undo changes features.
  • Registry wizard.

What We Don’t Like

  • Clunky interface is’t easy to work with.
  • No option to select custom areas of the registry.

Registry Distiller is every other free registry purifier, but it doesn’t appearance as neat because the others in this listing. The software’s interface isn’t very clean to paintings with or view outcomes in. However, with that being said, it seemingly does a exquisite job finding mistakes.

When I tested Registry Distiller, it took 10 seconds to find 500+ errors, that is a lot higher than a number of the other registry cleaners in this list.

Registry Distiller is said to paintings in Windows Vista and XP. I tested Registry Distiller version 1.03 in Windows 8 and Windows 7 and didn’t have any troubles.

Ss Registry Fixer

What We Like

  • Super easy to use.
  • Option to back up registry enabled by default.

What We Don’t Like

  • Contains only basic functions.
  • Hasn’t been updated in years.

Registry Fixer is a free registry cleaner from Ss-Tools this is probably one of the easiest applications I’ve ever used. With slightly any alternatives, and an open, clean software window, it’s easy to begin a test in seconds.

Only one alternative is to be had with Registry Fixer, which is to back up the registry earlier than cleaning. This setting is enabled by way of default.

Registry Fixer is said to paintings with Windows XP simplest, although I examined version 2.0 in Windows 8 without any issues.

Registry Life

What We Like

  • Clean user interface.
  • Registry wizard.
  • Backs up before scanning.
  • Defrags the registry.

What We Don’t Like

  • Offers to install promotional and third-party software.
  • Contains advertisements.

Registry Life, by means of ChemTable Software, is a unfastened registry cleaner that runs you via an easy-to-use wizard to clean the registry.

Using Registry Life, you can’t only restoration registry problems however additionally defrag the registry and actually have quick get entry to to an extra unfastened device to prevent or put off applications from starting up together with your pc.

One factor I failed to like whilst testing Registry Life is that there have been occasional advertisements off to the aspect of this system.

Registry Life ought to paintings with each 32-bit and 64-bit versions of Windows eight down through Windows XP. I became additionally capable of make it paintings in Windows 10, but the startup optimizer did not constantly function as marketed.

System Mechanic

What We Like

  • Attractive interface.
  • Smooth scanning process with a quick-analysis option.
  • Includes additional useful tools.

What We Don’t Like

  • Not many options for registry scans.
  • Setup is confusing.
  • Difficult to contact customer support.

System Mechanic is every other program that can smooth up invalid and unused registry entries. The program is quite a piece more advanced than just a registry cleanser, though.

Included in System Mechanic is a diffusion of gear like an internet browser junk cleanser, Windows junk cleanser, uninstaller tool, file shredder, gadget overall performance booster, and more.

To get to System Mechanic’s registry cleaner, use the Toolbox menu to locate the Clean submenu, after which pick Registry Cleanup.

There aren’t a ton of elective settings while dealing with the registry cleaner but that might be satisfactory for most of the people. Just use the Clean selected button after evaluation to delete the tricky registry entries.

System Mechanic is said to work in Windows 7 up thru Windows 10. I examined model 18.Five.1.278 in Windows 8 without any problems.

Registry Recycler

What We Like

  • Clean interface.
  • Defrags the registry in addition to scanning for errors.
  • Available in installed and portable versions
  • Option to schedule daily or weekly registry check.

What We Don’t Like

  • Sometimes requires multiple scans to find all errors.
  • Must close all running applications before defragging the registry.

Registry Recycler is every other free registry purifier that seems to find greater registry mistakes than some of the alternative applications in this list.

The application robotically creates registry backups before cleaning to make certain you can usually return to a operating nation if something goes wrong at some point of the system. In addition to cleaning, Registry Recycler can also defrag the registry.

You can use this loose registry cleaner device as a transportable application or install it like regular software program, depending on the model you choose at the down load page.

Registry Recycler works with Windows 10, 8, 7, Vista, and XP. I tested model 0.Nine.3.1 in Windows eight.

RegSeeker

What We Like

  • Backs up registry before scan automatically.
  • Restore option.
  • Includes additional useful tools.
  • Quick reference guide.

What We Don’t Like

  • Dated interface.
  • Some options not intuitive.

RegSeeker is any other transportable registry purifier. Scanning is brief and appears to find a reasonable amount of the identical mistakes the other applications in this list can find.

The interface of this application isn’t quite as pleasant as a number of those other registry cleaners, however it appears to feature in a comparable style, finding and removing maximum of the equal registry troubles.

RegSeeker works with Windows 8, 7, Vista, and XP. I examined RegSeeker v4.7 in Windows eight.