I need to downgrade from 64 bit to 32 bit. Reason being that I have some programs that I need that refuses to run on 64 bit. My computer came with Windows 7 as the default OS and so I don't have the CD to reinstall windows. I already tried restoring my computer to it's factory default but during the setup process for Windows 7 a custom installation option did not show up. Are there any other ways for me to downgrade from 64 bit to 32 bit?