Logging In BT
Learn the basics about Logging In to Marlin GTX trusted automotive software by Megabus.
Updated 30 October 2026
**Marlin GTX** can be launched as a desktop application on any licensed workstation.
Marlin GTX can be opened using one of the following methods:
- Double-click the desktop icon
- Select the taskbar icon
- Select Start > All Programs > Megabus > Marlin GTX
About Marlin GTX
The Marlin GTX Login window will open when the program starts.
The login window displays key information about your system
This information helps confirm licensing, version details and system status.
Note — The same information can be viewed after login by selecting Help > About Marlin GTX.
Warning — If the system is operating in Read-Only mode, contact the Megabus Support Team to resolve licence or access issues.
Logging In
Available modules and permissions are determined by the password group assigned to the user.
To log in:
- Enter a valid password
- Click Login
::: (Warning) (For Further Details) See the Logging In{target=_blank} help guide. :::
Password Groups
Users log in using shared passwords that control access to different modules and functions.
Password groups can be managed by selecting System > Passwords > Password Groups from the menu bar.
Passwords are created and changed within password groups and access levels are controlled using the Permissions list.
::: (Warning) (For Further Details) See the Password Groups{target=_blank} help guide. :::