Download AMD Radeon Catalyst 14.9 WHQL (14.301.1001.0 September 15) driver. The latest version of the AMD Catalyst Software Suite, AMD Catalyst 14.9 supports Windows 8.1 (32 & 64-bit version), Windows 7 (32 & 64-bit version with SP1 or higher). We have a discussion thread open on this driver right here.