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 ...

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 ...

Windows XP is the operating system that just won't die. After its 2001 release, XP would go on to sell more than 400 million copies. Microsoft tried to end support for the OS several times over the ...