Install the rwp using the package manager
then copy es64u2.GeoPcDx from
..\Assets\HRQ\Taurus\RailVehicles\ES64U2\DB
and paste it into
..\Assets\HRQ\Taurus\RailVehicles\ES64U2\MRCE

Done.
It will appear in the browser list as ES64U MRCE-dispolok

Dave