Operating system - Windows® 7 Home Premium 64 (Windows 7 Ultimate is way better)
Processor - AMD Quad-Core A6-3620 APU (2.2 GHz ) (It's not bad but I suggest Corei5 or 7)
Memory - 6 GB DDR3
Hard drive - 1 TB SATA
Graphics card - AMD Radeon HD 6530D (up to 2.99 GB) (nVidia Geforce graphic cards are the best for gaming, no doubt. Look for some nVidia)
Optical drive - SuperMulti DVD Burner