AVAST ! Free Antivirus is an efficient and comprehensive antivirus program. It is one of the most popular antivirus programs available. It is the reliable and trustworthy brand that Avast have created. The key features that continue to make Avast free Antivirus so popular are the easy UI, optimized scanning options and continuously updated database of virus definitions. Speed Avast free antivirus comes with 5 standard scanning options based on depth and speed. Rapid scan will suffice in most cases-targeting removable media and the files you select, identifying security threats in usually less than a minute. A startup scan will launch automatically on boot up and is a useful, regular security check. The optimized scan engine in the 2014 version means scanning of text content is 10 times faster than previous versions. Scanning of EXE files is around 2 times faster. Improved memory usage means Avast. Free Antivirus should cause less strain on your system so you can scan continue with