Windows usually comes pre-installed on PCs but there may come a time when you need to find your computer's serial number on Windows.

Microsoft Support Caught Solving Windows Activation Issues With An Illegal Crack by Zak Killian — Friday, March 17, 2023, 10:41 AM EDT Comments ...

Right now in our PCWorld Software store you can buy a Windows 10 Pro license for just $69.99, 65% off its typical price of $199.99. Once installed, you can upgrade to Windows 11 Pro for free.