Microsoft Activation Scripts (MAS) Open-source Windows and Office activator featuring HWID, Ohook, TSforge, and Online KMS activation methods, along with advanced troubleshooting.

This FAQ page provides guidance on using MAS for activating Windows and Office, troubleshooting, and understanding its features.

Below is a comparison of activation methods offered by Microsoft Activation Scripts.

If you are facing any error, the script should tell you which guide you need to follow. If you are unsure, we suggest getting help from here instead of blindly following the guides.

Change activation method: For builds 26100 and later, the script automatically selects StaticCID (requires an internet connection). If no internet connection is detected, it automatically switches to …

Apr 12, 2024 · [19-Nov-25] Added Nov 2025 updated ISOs

Windows evaluation editions are trial versions of Windows operating systems provided by Microsoft. These editions allow users, especially IT professionals, to test and evaluate the features and …

3.8 R.I.P. KMS38 HWID Activation support is added for the WNC edition. KMS38 Beginning with build 26100.7019, Microsoft fully deprecated clip-based KMS license migration functionality. As a result, …

This option is available in the main menu of MAS. You can use this script with Office C2R (Ver 16.0.9029.2167 and later) to change, add, and remove editions or change the current Office update …

# Check massgrave.dev for more details Write-Host "" Write-Host "The command 'irm https://massgrave.dev/get | iex' is retired." Write-Host "" Write-Host "Visit the ...