Windows 7 32 bit driver for Dell OptiPlex 745

1. Install Windows 7 32 bit (or 64 bit) on Dell OptiPlex 745
2. All drivers will be detected automatically by Windows 7, fortunately
3. The sound driver for Dell OptiPlex 745 on Windows 7: Use driver for Windows Vista that can be found here[1http://www.dell.com/support/home/us/en/19/product-support/product/optiplex-745/drivers][2]
     Download "Analog Devices ADI 198x Integrated HD Audio, v.6.10.x.7265, A01" and install on Windows 7. That's all.

ref.
[1] http://www.dell.com/support/home/us/en/19/product-support/product/optiplex-745/drivers
[2] http://downloads.dell.com/audio/Analog-Devices_ADI-198x-Inte_A01_R243725.exe