Windows NT: If your OS is Windows NT and you decide to install VIA MVP4(Trident 8400) AGP VGA drivers, the procedures are listed as follows. 1. Go to Start button, select Setting item. 2. Choose Control Panel item, select display item. 3. Choose Setting item. 4. Click Display Type button. 5. Choose Adapter Type item and click Change button. 6. Click Have Disk. 7. Type in the appropriate directory path where the VIA MVP4 AGP VGA Driver exists (CDROM:\VIDEO\MVP4\WINNT) and click OK. 8. Proceed according to the remaining prompts. It will then start to install the driver.Close all windows and reboot in order to use the new driver.