Currently, The ATI Catalyst drivers along with the nVidia drivers support Windows 8. In December 2010, nVidia released the 265.90 drivers that added Windows 8 support, every subsequent release since then has been fully compatible with all leaked builds of Windows 8. Some users have reported issues with Catalyst drivers for their AMD cards, however in my experience, all drivers since 11.4 (didn't test any earlier drivers than this) are compatible with Windows 8. Once you've installed any build of Windows 8, Get your updated drivers from here: nVidia notebook & desktop card drivers: Drivers - Download NVIDIA Drivers AMD Catalyst and Catalyst Mobility drivers: AMD Graphics Drivers & Software The current stable release of Catalyst is 11.7, with a leaked 11.8 suite available. Latest stable nVidia release: 280.26, nVidia runs a public beta program available here.