all you need to know is how to extract compressed files. if youre familiar with that then installing cracked games will be easy for you. as most have said, fitgirl is a great place to get games because she has been in the game a long time and is considered a credible source. most installers will copy the crack for you but generally the most work you have to do after a pirated game install is copy the crack folder over the files in the game folder, disabled firewall access if it asks, and possibly run as administrator. thats it. if the place youre getting games from is trustworthy youre safe to ignore any anti-virus warnings because generally game cracks can cause false positives.