Bitdefender Antivirus security software Learn More Review has been the most popular among COMPUTER security courses. It can execute a series of regular software features and helps to protect all system files and applications. These anti-virus programs can handle detecting a variety of different types of application attacks that can compromise the safety of the computer system. And, simply because they come with a trial offer version, you can download this kind of software and use it to try and find out for yourself.