Are you right clicking on the disk drive, or the install file? You need to click on the install file.
- Insert CD/DVD
- Open Windows Explorer- click Start then click Computer.
- Within the Windows Explorer window, open the drive that contains the installation files. For example, if they're on a CD or DVD open that drive or the letter of the disc drive.
- Within the drive that contains your files, locate either a setup or install file. Right click on this file and click 'run as admin'.