Installing Using a Windows installation DVD Enter your computer's BIOS. Turn off the computer that you want to install Windows on then turn it back on. When the BIOS screen appears or you are prompted to do so, press Del , Esc , F2 , F10 , or F9 (depending on your computer’s motherboard) to enter the system BIOS. Th e key to enter the BIOS is usually shown on the screen. Find your BIOS's boot options menu. The boot options menu of your BIOS may vary in location or name from the illustration, but you may eventually find it if you search around. If you can't find the boot options menu, search the name of your BIOS (most likely located in the BIOS menu) Select the CD-ROM drive as the first boot device of your computer. Although this method may vary among computers, the boot options menu is typically a menu of mova...