MBT Package Manager is the one and only way to get any and all of the Marc Bernard Tools installed on your system.
It couldn’t be easier to get MBT Package Manager itself on to your SAP system. Simply create a new program, cut & paste (or upload) the source code, activate, done.
PS: If for whatever reason, you do not like any of the tools, you can uninstall it using MBT Package Manager as well, of course.
MBT Package Manager is NOT a general-purpose installer for abapGit packages. It currently supports only object types that are required by Marc Bernard Tools.