This is a comparison of the popular free anti virus programs, BitDefender, Glass windows Defender, Norton and AVG. We are going to compare and evaluate which one provides the better security. These anti virus software are very similar. It is crucial to remember that they will be just designed to perform one particular function; to safeguard your computer from virus and spyware. Considering that the programs all offer the same level of protection they are still windows defender vs norton categorized as you. Each course does numerous functions. I really will be reviewing the tools, as they will most perform similar functions for you personally.