Simply extract the Pro.key file into the folder where you have MobaXterm_Personal_XX.X.exe (or the professional equivalent). When you launch the app, it will detect the file and upgrade itself to "Professional" automatically. For the Installed Version:
: You can find this folder by right-clicking your MobaXterm desktop shortcut and selecting "Open file location" Alternative for Portability : If you use the Portable Edition , place the Custom.mxtpro file in the same folder as the MobaXterm.exe Deployment
MobaXterm Professional Edition , the license is typically handled as a license file rather than a standard alphanumeric key string that you type into the application. License File Location mobaxterm professional license key location
MobaXterm Professional licenses come with a period of free updates. If your key has expired for updates, it will still work for older versions of MobaXterm, but it may not unlock the features on a newly downloaded version. You will need to renew your maintenance updates on the Official MobaXterm Website. Backing Up Your License
If you cannot write to the Program Files directory, the license may sometimes be found in %AppData%\Roaming\MxtPro How to Find/Install the Key Retrieve from Email: Simply extract the Pro
Ensure the file is named exactly Custom.mxtpro . Windows sometimes adds a hidden extension, turning it into Custom.mxtpro.txt . Check your file explorer view settings to ensure file extensions are visible.
The file-based approach is secure and prevents users from accidentally typing a key incorrectly. However, it lacks the convenience of a cloud-based license management portal. If you lose the email with the attachment, there is no dashboard to log into to retrieve the key file again—you have to contact support. Backing Up Your License If you cannot write
Once the file is in place, launch MobaXterm. The title bar should indicate "Professional Edition," and your licensed features will be active. Related Configuration Files While the license key is in the