Bitdefender Review offers the most popular and powerful option available for antivirus software. Bitdefender is ranked as top quality antivirus software and easily competes with the biggest names on the market. You may want to examine this software even if you have good anti-virus software installed. This is because bitdefender uses less resources than most other antivirus software. This combats over using your PC memory like most antivirus software programs do causing your PC to slow down. Whether your aware of it or not, most software actually uses up a lot more resources than necessary. This is one of the reasons that bitdefender has passed the most difficult antivirus tests available. Its use of system resources and memory is very low in order to allow your computer to operate more efficiently.