Windows 11 uses a product key to ensure your OS is genuine—in other words, not pirated. You can find the product key in use on your PC, which is particularly useful if you bought Windows ...

Need to find Windows 11 Product Key? Check out this guide on how to find Windows 11 Key through various means.

Keep in mind that it's always best to use an official Windows product key for activation. Activation of Windows through Command Prompt and KMS servers is usually only intended for mass volume ...

I did provide two different methods of retrieving a product key, one from the command line via Windows Management Instrumentation Command, or WMIC, and one from the Windows registry.

Learn how to use SLMGR or Software Licensing Management Tool to Install, Uninstall, Activate, View, Extend Windows License.

Want to reuse your existing Windows license key with a new PC? We explain how to determine if that’s possible.