When Microsoft first launched the Windows operating system, installing it was only a matter of copying the program onto a disk. You didn't have to verify your copy of Windows. Starting with Windows XP ...

A product key is a sequence of alphanumeric characters used to certify if the copy of a program or software is genuine. For example, Microsoft uses a 25-character alphanumeric key to identify the ...

Microsoft no longer supports Windows 8.1. If you're still running it on your PC, you're long overdue for an upgrade. Lance is an experienced writer who tries to unravel the mysteries of personal tech.

Microsoft closed a Windows 7 / 8 key loophole last month, and now people are experiencing issues reactivating some Windows 10 / 11 installs. Microsoft closed a Windows 7 / 8 key loophole last month, ...