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 ...

It's the end of the line for Windows 7 and Windows 8.1. These older versions of Windows (plus Windows RT) stop receiving all security updates today, over a decade after their original releases.