OP, Doesn't matter what version of 7 you have, just make sure it's 64-bit. Also, don't buy a laptop unless you want to game on the go. Build your own computer, performance to price ratio is much higher.
PC Specs
MOBO: ASUS M4A88TD-M
CPU: AMD Phenom II X6 1055T [1.356V @ 3.5GHz]
GPU: MSI GTX 570 Twin Frozr II [1.1V @ 900core/2150mem]
RAM: 8GB Dual Channel DDR3
HDD: Seagate Barracuda 1.5TB
OS: Windows 7 Pro 64 bit
YouTube Channel
MOBO: ASUS M4A88TD-M
CPU: AMD Phenom II X6 1055T [1.356V @ 3.5GHz]
GPU: MSI GTX 570 Twin Frozr II [1.1V @ 900core/2150mem]
RAM: 8GB Dual Channel DDR3
HDD: Seagate Barracuda 1.5TB
OS: Windows 7 Pro 64 bit
YouTube Channel