The free edition of PC Tools AntiVirus is a user-friendly, feature-rich and highly capable antivirus program. Once activated, it guards your PC and begins looking for threats, such as trojans, worms, etc. You can also run a full system scan whenever you feel the need. Any viruses on your system will then be quarantined, disinfected or removed at the click of a button. Regular and free virus pattern updates are included so your system will be able to deal with the latest threats.