
Their utilities are always crapware-free, and are always really useful. The easiest way to get access to your product key is with a third-party utility, and there’s nobody better at those than NirSoft. ShowKeyPlus is an option if you want a solution that works for Windows 10 and Windows 11 that won’t set off your antivirus. Use NirSoft’s ProduKey to Recover Product Keys (Even if You Can’t Boot the PC) Note: Nirsoft’s ProduKey will almost definitely set off your antivirus because of what it does and how it works. In other words, if it came with Windows 7 Home Premium, you can’t install Windows 7 Professional.

It’ll all happen automatically.īe sure to use the same version and edition of Windows the computer came with. You don’t even need to know it–assuming you’re installing the same edition of Windows the PC came with, it should automatically activate and work without you needing to enter a key. The key for the version of Windows the PC comes with is stored in the computer’s UEFI firmware or BIOS.

You can extract this product key, and–often–enter it when reinstalling Windows on your PC. Stored in software on your PC: When you (or your PC manufacturer) installs Windows, Windows stores its product key in the registry.
The key you need will be in one of three places: RELATED: Where to Download Windows 10, 8.1, and 7 ISOs Legally All you need is access to the disk drive from a working computer. The great thing is that you can even recover a key, even from a computer that won’t boot anymore. We can only assume that they don’t want anybody to re-use a key from an old computer.

We’re not really sure why Microsoft went to great lengths to make it difficult to see the product keys for their software, especially since they are stored right in there in the registry and can be read by software, if not by humans. RELATED: Beginner Geek: How to Reinstall Windows on Your Computer As you can see in the screenshot above, the product ID is stored in the registry but is in a binary format that can’t be read by humans unless you are some sort of Cylon.
