Installing an Anti-virus product

To install anti virus first you start up your system then you put the anti-virus software disk in then you click on the anti-virus which is AVG then i went and clicked on AVg 7-5 free-4321361 then i accepted the license agreement then i  checked my system status then I left it at standard installation then clicked next then I put my company name in and clicked finish then it installed I kept the daily scanning at low priority then clicked next and scanned my computer then it came up with no virus then I clicked next then I clicked finish