Windows Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. 1] Are you using the right product key? Make ...

The Software Licensing Service determined that the specified Key Management Service (KMS) cannot be used. What causes Windows Activation Error 0xC004F015? There can ...

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, ...

Microsoft is currently investigating a problem that prevents the activation of Windows 10 and Windows 11, as The Verge reports. The issue affects computers on which users have upgraded from Windows 7 ...

Facepalm: Microsoft is investigating a new activation issue that is affecting many Windows 10 and 11 PCs. The problem seems to have cropped up last month after the company pushed out an update to plug ...

At least for now, though, it seems like this change will only apply to future Windows versions. We were able to activate a fresh Windows 11 Pro 22H2 install with a Windows 8 Pro product key as of this ...

The Windows activation loophole has now been closed by Microsoft, so you’ll have to buy a legit Windows 11 key. The Windows activation loophole has now been closed by Microsoft, so you’ll have to buy ...