A lot of driver support for VIA chips is built into Microsoft® Windows® 7 (32- and 64-bit). If you're looking for Windows 7 drivers, please check these FAQ first.
VIA Hyperion Pro drivers
The VIA Hyperion Pro drivers contain all of the main platform drivers for VIA chipsets. The current release of these drivers is included in Windows 7,
so at this time there is no need for a VIA Hyperion Pro package that supports Windows 7. However, as updates occur, a package will be released when needed.