I tried to do a clean install of Win7x64 from my upgrade disc, which has worked fine the last 9 times, up until I came to register it today. It says words to the effect of: "This Key is only valid for ...

Got questions about the more-mysterious-than-it-should-be Windows 7 upgrade process? Ed Bott has answers. For instance, the difference between full and upgrade versions of Windows 7. The key is, um, ...

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, ...

If you’re still using an unlicensed version of Windows or depending on some sketchy activator tool you found online, it’s probably time to reconsider. An unactivated system might seem fine at first, ...