Did you first install a 32-bit mapset?
Did you see "There is an issue with the 64-bit installer used in the PC version of this mapset. If this is the first mapset you are installing on a Windows 7 64 bit PC, you will need to FIRST install a mapset which used a 32-bit installer, 'My trails ....'
http://www.gpsfiledepot.com/maps/view/53 works and is small in size."
If this is also an issue in Windows 8 64-bit, I will revise that verbage.
What exactly does ' ... without any success ' mean? As is what did you do and what happened and what did not happen?