Known as the KMS38 activator, the open-source tool was created by a group called Massgrave, where MAS stands for Microsoft Activation Scripts. It was widely regarded ...

Microsoft has successfully managed to kill a popular free offline way to illegally activate Windows 11 and 10.

Microsoft successfully closes a widespread Windows 11 activation loophole, which is a good thing for every legitimate user.

Microsoft has blocked the popular Massgrave KMS38 activation method with the November 2025 Patch Tuesday update.

Windows PowerShell is a utility that lets you automate Windows features including activation of the operating system. You must activate Windows with a valid license before all Windows features are ...

The Software Licensing Service reported that the license could not be found or was invalid. The error code usually means that the user entered the wrong license key ...