"... Xbox 360 Accessories Software 1.2 64-bit for Windows 7 from ..." dunno what that is, but you don't need it. Just run windows update and you should be good to go as far as drivers for this go.
...and you are talking about the wired one, right? Or, you have the PC wireless "base station" thingy for the wireless ones?
...and you are talking about the wired one, right? Or, you have the PC wireless "base station" thingy for the wireless ones?