Guys,
I've brought new pc (clone) & os it windows 7 ultimate 64bit pre-installed. from regedit i've found buildlab shows "7600.win7_rtm.090713-1255" . What does it mean? is it a retail version of windows 7 or Windows 7 RTM. plz help me out.

I've brought new pc (clone) & os it windows 7 ultimate 64bit pre-installed. from regedit i've found buildlab shows "7600.win7_rtm.090713-1255" . What does it mean? is it a retail version of windows 7 or Windows 7 RTM. plz help me out.
My Computer
- OS
- Windows 7 Ultimate