A Windows product key is a 25-character code you use to activate your copy of Windows. Since Windows 11 and 10 use a digital ...

With massive discounts on license keys for software like Windows 11 Pro, which you can get for a little more than 10% of the ...

Many users opting for a free upgrade of Windows 11/10 will not get a product key. That’s because the activation for the free offer of Windows 11/10 is registered on the Microsoft activation ...

However, now you want to move back to the Pro edition because you have a valid product key ... linked to your Microsoft account, you can sign in to your account to activate the copy of Windows 11 ...

Windows 11 requires you to sign in with a Microsoft account ... Enter your product key to activate Windows 11. If you don't have a product key, click the I don't have a product key link in the ...