all you do is unzip the file (Rollback_WD_TV_Live_Gen3_1.08.17.zip)
put the three files (wdtvlivegen3.bin, wdtvlivegen3.fff & wdtvlivegen3.ver) it creates into a thumb drive (make sure you don’t put it into a folder) then reboot the SMP.
nothing to it really.
hope that helps.