avast Internet Security – Is a well-known antivirus pretty high. The developers of anti-virus put into it all the knowledge about fighting viruses in order to create one of the best antivirus. This anti-virus program has combined the all the advanced technology and techniques to get the highest level of computer protection. This product is perfect for all the operating systems Windows. Avast carefully checks for viruses memory, files, email, and other than that, he is even able to cope with a macro virus