How to remove a virus or keylogger without anti virus program

ok so i download a hack and it had a shit load of viruses and a keylogger. This is what i did. Goto Start>All Programs>Accesories>System Tools>System Restore. Select the date you want your computer to be back to and it will take a few minutes. Restart your computer and you wont have the virus anymore since you set your computer back to an old date. After you did system restore scan your computer and there wont be any virus. Enjoy ^^

Or you can just use a anti-malware program