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 ...

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

March Madness is on at CdkeySales, where you'll save even more on Microsoft software with promo code CULT. Photo: CdkeySales.com You can score amazing deals on Windows 11 Pro, Win 10 CD keys and other ...

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 ...

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 ...

Ugh this kinda sucks but I guess it doesn't really matter. I had a bunch of Windows 7 keys from 2009 that have been great with 10 and 11. I get that this free ride is over but it still sucks. It ...

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 ...

Microsoft has released the KB5048652 cumulative update for Windows 10 22H2, which contains six fixes, including a fix that prevented Windows 10 from activating when you change a device's motherboard.