boot your pc with a bootdisk and choose cdrom support. your cd rom will probably be drive e: ..... drive d: will be your virtual drive during this bootup process.

once you get to the command prompt, type e:/setup you can also type e:/setup.exe and press ENTER then follow the on screen instructions.

if you have more than one cd drive you need to make sure your cd is in the proper drive you are trying to run.