Supported operating system:

Windows Vista 32-bit
Windows Vista 64-bit
Windows 7 32-bit
Windows 7 64-bit
Windows 8 32-bit
Windows 8 64-bit
Windows 8.1 32-bit
Windows 8.1 64-bit

Release note:
1. Enhanced Dolby Digital Live support for games that are developed using XAudio2 API (for Windows Vista, Windows 7, Windows 8 and Windows 8.1)
2. Added support for ASIO playback (for Windows 7, Windows 8 and Windows 8.1)

Supported Devices:
Sound Blaster X-Fi Surround 5.1 Pro