Supported operating system:

Windows XP 32-bit
Windows XP 64-bit
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:
Not available

Supported Devices:
Envy24 Family Audio Controller WDM
VT1720/4 Envy24PT PCI Multi-Channel Audio Controller