M icrosoft allows you to install Windows 10 or 11 without a product key. When asked for one during installation, you can simply skip entering it by clicking the "I don't have a product key" option ...

Modern versions of Windows, Windows 10, and Windows 11, now use a combination of product keys (a unique string of 25 characters), online activation, and hardware fingerprinting (tying your copy of ...

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 ...

Microsoft has stopped allowing users to activate Windows 11 and 10 installations with Windows 7 and 8 product keys. This is because they have stopped supporting these older operating systems.

The past few years have changed much regarding Windows Activation for general consumers. There is no need to remember the 25-digit product key to activate Windows even though it still works.

Then, search for keywords like Windows 11, product key, activation, and other relevant words relating to Windows 11 activation. In addition, check for any physical stickers under the PC chassis, ...

If you are reinstalling Windows 10, and automatic activation fails, then it is possible that the key which had used before was invalid or one-time use like a MAK key.

On Windows 11, you can check the activation status in three ways through the Settings app, Command Prompt (or PowerShell), and the Run command, and in this guide, I will teach you how.

Your Windows 11 product key is an important piece of information that you’ll be able to access in a few different ways. Here’s a step-by-step guide to help.