Extract the archive using a zip tool (use the password 1234 if prompted by the developer archive). Open the extracted folder, navigate to All-In-One-Version . Right-click MAS_AIO.cmd and select .
If the script works without triggering Defender, your DNS server was the problem.
A blue command-line interface menu will appear with numbered options: Press 1 for Windows HWID (Permanent Activation). Press 2 for Windows KMS38 (Activation until 2038). Press 3 for Office Online KMS (Standard renewal). Press 4 for Office Ohook (Permanent Activation). Press 5 to check your current activation status.
Unlike executable ( .exe ) activators, MAS is a script ( .cmd or .ps1 ), which means you can read exactly what it does before running it. MAS Activator Download (Safe Sources) mas 14 activator download install
To specifically get version 1.4, navigate to the "Releases" section of the repository and look for the MAS 1.4 release. The file you will need is typically named .
The popularity of MAS has made it a prime target for cybercriminals who use typosquatting domains to distribute malware. This is a serious and ongoing threat.
I can provide tailored scripts or custom commands based on your current setup. Extract the archive using a zip tool (use
I can provide tailored troubleshooting steps based on your specific setup. Share public link
KMS38 uses a vulnerability in the Key Management Service that was originally intended for large organizations. By tricking the system into thinking it's connected to a legitimate KMS server, MAS extends the activation period until 2038, effectively giving a "permanent" activation without a true digital license. As mentioned earlier, Microsoft patched this loophole in late 2025, so KMS38 may no longer work on newer versions of Windows 11.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. If the script works without triggering Defender, your
Right-click the and select PowerShell or Terminal (Admin) .
Windows Defender or third-party antivirus software may occasionally flag the script as a "HackTool" or "RiskWare." This is a false positive due to the nature of the script modifying licensing registries. MAS contains no virus code. You may temporarily disable real-time protection during execution if the script gets blocked. 2. Error Code: 0xC004C003
It is crucial to download MAS only from official sources to avoid compromised files. The official repository is maintained on GitHub.
: A newer method for permanently activating Office (including Microsoft 365) that works offline and survives updates. KMS38 : Extends Windows activation until the year 2038.