Almost everyone nowadays has or should have an Antivirus on their computer. The available choices usually come in the form of: free or purchased. While most of the time the free versions would not be as great as the purchased ones, a new contender is now available and no longer in Beta from Microsoft, this new product is named: “Microsoft Security Essentials”.
The purpose of Microsoft Security Essentials is to protect against:
So far it is very impressive, quick and simplifies the whole process; not to mention that it even has some nice videos available for: installing, scanning and fixing problems.