If you attempt to install an application from a CD, and the computer does not recognize the disc, the media could just be defective.

Insert the installation disc into your computer if one came with your hardware. Run the disc. The manufacturer may include software that installs drivers in addition to a program to control or ...

The Windows Disc Image Burner tool pops up and should point to your CD/DVD drive. Click the Burn button to proceed. Once the ISO is burned to the disc, your drive may open so you can remove the disc.

A free utility tweaks the Windows ISO image file, thus letting you install whatever version matches your product key.