BitDefender is the very best computer security program you can own. It has been ranked the best protection for 3 years straight, and has also been voted to have the lowest impact on performance. I have previously been a user of Kaspersky PURE 3.0 but have ditched my still valid licence and bought bit defender. Its that good! I have a dual boot system and the other partition is still running PURE, and the difference in speed is noticeable. I would strongly recommened Total Security.
BitDefender Antivirus 2015 is £11.99
BitDefender Internet Security is £14.98
and the top package Total Security 2015 is £17.98.
An absolute bargain!
Not sure when this deal will end but its still working now