AVG Technologies (formerly Grisoft) is a Czech company established in 1991 by Jan Gritzbach and Tomas Hofer, with corporate offices in Europe and the United States. The company specializes in computer security software. AVG anti virus has become one of the world's best right now with a lot of users in the world. AVG always brings many editions, but of the many editions of AVG provides a free anti virus that you can download to your computer.