Microsoft Activation Scripts (MAS for short) is a short but sharp open-source KMS scripts collection for online/offline activation of Microsoft Windows and Office, and friendly to all kinds of antivirus software without being easily misidentified as malware. In this collection, the Digital License can achieve a permanent activation of Windows 10; KMS38 is able to activate Windows 10/Server until 2038; for Online KMS, the activation period for Windows/Server/Office is 180 days.