Avast Antivirus is a necessary program for PC and Mac user which does real time scanning and has a easy to use interface. It comes with optimized scanning option and it protects from latest virus, spyware and other threat. Avast Antivirus does automatic startup scan after the booting to do regular automatic check. It offers a comprehensive security and it also fixes performance issues instantly. There is also behavior shield from avast which checks if there is any change in the system. Using Avast Antivirus is the best way to keep your system running in a good condition.
Mike Roy 
