Thats great but I would get an antivirus to work side by side with it such as ESET or Bitdefender. I lean toward ESET right now as of late Ive had 2 customers to repeatedly return their systems from from virus infections while using Bitdefender.
That doesnt necessarily mean Bitdefender isnt good, its just not catching a particular virus that may be getting permission by the user to install via a disguised install button.
Research for yourself and decide what antivirus you want to try and go from there. AVG free is better than going solo if you're on a tight budget.