in gta iv i'm using commandline My specs:Win 7 Home Premium 64 Bit SP 1 Processor:AMD Phenom X4 965 3.40GHz Ram:8gb available (7,25) 64 bit system Card graphics:Ati Radeon HD 5870 XFX 1g (1024mb) Monitor:''1080p 1920x1080 27'' Samsung S27C350