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 ...

How to set up your installation media If you have a copy of the disc that originally came with your computer or another copy of Windows on a CD or DVD, skip to the next page to learn about ...

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

Though you can install Lion directly from your Mac's hard drive, a bootable installer drive or DVD can be more convenient for installing Lion onto multiple Macs, and if your Mac is experiencing ...