The most effective Windows 10 product key finder: discover all your Microsoft serial numbers

Product keys are one of many ways software program developers protect their merchandise in opposition to piracy. Unfortunately, they're simple to lose, which generally is a actual downside if you'll want to reinstall Windows or every other software from scratch

When you've purchased a desktop PC or laptop computer with Home windows 10 already installed, you will in all probability discover its product key on a Certificate of Authenticity sticker on the the case or in the included paperwork, but not if you've built your personal PC and installed the working system yourself.

Many other purposes also require product keys for those who reinstall them - together with Microsoft Office - and for those who've lost the e-mail you obtained once you first installed them, you would be in actual hassle later on.

Product key finders solely work for software program that's already installed, so download one and make a remark of all of your keys now, so you're prepared in advance.



Belarc Advisor display grab

1. Belarc Advisor
A wealth of information about your hardware and software program

Computerized updatesLots of additional detailsNo security rating for Home windows 10
Belarc Advisor is primarily a device for gathering details about your Windows system, including hardware, security updates and product keys.

Editor s alternative award Belarc Advisor

Everytime you run Belarc Advisor, it robotically checks its database for software definitions - important for locating keys for new programs. After that, it scans your system and presents the findings in an HTML web page in your default internet browser. Scroll right down to 'Software licenses' to find serial numbers and product keys for Windows, Workplace and many different applications.

Belarc Advisor affords a wealth of other information, together with details of your antivirus software, related hardware, and different units on the identical network. It also offers a safety benchmark score, though sadly this is only out there for Home windows 7, Home windows Vista and Windows XP Pro.

Belarc Advisor's scans are fast and supply a lot more data than just serial numbers, it's our favourite free product key finder.

Obtain Belarc Advisor

Abelssoft MyKeyFinder screen seize

2. Abelssoft MyKeyFinder
Displays your Microsoft product keys in a transparent, searchable list

Clear interfaceSearchable resultsOccasional advertisements in free model
There are two variations of Abelssoft MyKeyFinder: free and paid-for. Each will find Windows and Microsoft Office product keys however the Plus version (£8.90 - about US$10, AU$15) will also scan exterior arduous drives and find Wi-Fi passwords. 

After MyKeyFinder has scanned scan your PC’s registry the results are introduced in a clear record, able to be copied to the clipboard with a single click. In contrast to many product key finders, MyKeyFinder received’t throw up duplicate keys and the results could be searched and filtered.

You may as well add applications and keys not detected by MyKeyFinder as customary, then export the total record as a PDF so that they’re multi function handy location.

Download Abelssoft MyKeyFinder


LicenseCrawler display seize

3. LicenseCrawler
Find the keys for Home windows and a wealth of different software

Identifies dozens of applicationsPortableSlow scansOccasional adverts
LicenseCrawler will find the license key for pretty much any application that has one, and it is free for residence use. Its scan of the Home windows registry takes a long time to complete - even if you choose the 'high speed' option - but you'll be able to restrict its scope utilizing the blacklist and whitelist filters.

LicenseCrawler is distributed as a transportable app, which means you do not have to install it on the Windows system you're scanning - just obtain the zip file, extract its contents and run LicenseCrawler.exe. That is significantly useful if in case you have a number of PCs; just download it to a USB stick and you can simply plug it in and run it on any of them.

The one downside of LicenseCrawler is the occasional pop-up advert, however discovering product keys is not a activity you may be performing every single day, so that they're solely a minor inconvenience.

Download LicenseCrawler
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Home windows Product Key Viewer screen grab

4. Home windows Product Key Viewer
A quick strategy to find your Home windows product key, however nothing else

Super fast scansPortable appOnly finds Home windows keysSome deceptive adverts on web site
Windows Product Key Viewer is tremendous fast, taking barely a second to scan your system and current the results. That's as a result of, because the identify suggests, it solely supplies the product key in your working system.

That shouldn't essentially put you off though. Though it does not find serial numbers for different applications, it does provide some extra information about your OS, including the registered consumer, set up date and last boot time, and it's appropriate with variations of the working system from Home windows 10 all the way in which again to Home windows 95. 

Take care when downloading the software - the positioning consists of some adverts that look like download buttons for the software, however are in reality unrelated. Only click the hyperlink 'Obtain Windows Product Key Viewer'.

Obtain Windows Product Key Viewer
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Free PC Audit display screen seize

5. Free PC Audit
A brilliant easy technique to find your Windows 10 product key

Very simple to usePortableOnly finds Windows keys
Free PC Audit is another transportable software, and doesn't even come as a zip archive - simply obtain the exe file and run it to begin scanning.

Like Belarc Advisor, Free PC Advisor offers a wealth of information about your whole system - not simply its software - though its interface is not quite as intuitive. It's appropriate with all variations of Home windows, from NT all the way through to Windows 10, however does not find keys for Microsoft Workplace or any other software.