Tak mam framework 4 z microsoft.cz, z te same stranky directX, nevim jaky, verzi si to naslo samo a stahlo. A z ati.com mam driver. Ovsem i po restartu pocitace problem pretrvava.
PC na to staci, podle pozadavku:

Minimalni pozadavky:
OS: Windows XP SP2, Windows Vista SP1 or Windows 7 (32 or 64 bit)
Processor: 2.4+ GHZ Dual Core
RAM: 2 GB (XP), 3GB (Vista, Windows 7)
Video Card: 512MB video ram or better with Shader Model 3.0+ (GeForce 8 series or higher/Radeon HD3000 series or higher)
Hard Drive: 15 GB free space
High bandwidth internet connection (DSL, Cable)

Moje sestava:
Win 7 32 bit.
Intel Core 2 Quad Q6600
4GB ram
Ati Radeon HD4750 512MB
Mista na disku 100GB
Internet :)