I would like to know how I can erase an old windows from a tower to install windows vista,and also when I put the windows vista cd in nothing happens,could the drivers not be installed or is my boot setup wrong please help,also is there anything that needs to be changed when you in the main setup when you add a video card and a sound card.

Thank you

When you install Vista, you can select a FRESH install that will wipe out what's on your hard drive. Of course this means backing up all your data first. You also want to make sure you have Vista device drivers for all your hardware.

You need to BOOT to the Vista CD, not just insert it.