However, the fact does not change that the AVG does add unnecessary add-ons which majority of the users do not need because the AVG wants to be in the competition. They do ask you to register and buy the serial after 30-days of the trial period, but you can activate the version for a year if you register for one year program for free of cost. If you have been using the AVG for a while, then you would know that they are providing a free antivirus program, similar to the Avast Antivirus. How to Install AVG Free Antivirus without ZenĪVG is one of the popular antivirus program available in the market.