How do you get rid of avg antivirus program?

First you should click the START button. Go to RUN and type REGEDIT in small letter..the a folder will be open...the left side of that folder you can see hds key n users key like that...maximize that + signs and you can see software there..click on that software and you can see avg 8 there...You can delete avg from there. Check all keys and software there and delete avg from there...after that you can install new antivirus....