How do you install a computer game on your computer

OK I presume you have a PC game, with a PC disk, you put the first disk or the only disk into the CD/DVD drive, it usually autoplay's it so select the first option in the autoplay if there isn't an autoplay go into My Computer and double click the CD/DVD icon or the icon that looks like you game, and click an install button make sure you have your CD key handy once it asks for it.