although not exact, this will give you a rough idea of how the actual building process goes.
Build a PC - Introduction to Building your PC - PCitYourself.com
i think win7 will auto install whatever drivers it can find for your parts, and it will tell you if youre missing any. you will have to go to the manufacturer's website and download any missing drivers.
for your mobo (audio, chipset, lan, usb); d/l the most recent ones.
GA-770TA-UD3 (rev. 1.0) - GIGABYTE - Support&Download - Motherboard - Driver
for your gfx card; again, d/l the most recent one.
being a non-BE, your cpu will not have an unlocked multiplier but you should still be able to get atleast a decent OC. you will want to OC through the BIOS.