How can I reinstall AVG Ultimate

I uninstalled my AVG Ultimate on my PC computer and I can not reinstall it again. I purchased this in a store and had to enter a code to download it but it wont let me go back that way and I am not sure how to reinstall this. Please help.

Hi Jamie,
We understand that you wish to re-install the AVG Ultimate, No worries We will help you with the issue.
Before re-install please confirm that there is no other Antivirus and AVG Traces, If there is any AVG Traces please follow the below process to remove it.
Start->Control panel->programs(uninstall a program)->select AVG and uninstall.

After all this process please restart the PC and click on the below link for the installation.
http://files-download.avg.com/inst/mp/AVG_Ultimate_761.exe
Thank you.

Hi Jamie,
We understand that you wish to re-install the AVG Ultimate, No worries We will help you with the issue.
Before re-install please confirm that there is no other Antivirus and AVG Traces, If there is any AVG Traces please follow the below process to remove it.
Start->Control panel->programs(uninstall a program)->select AVG and uninstall.

After all this process please restart the PC and click on the below link for the installation.
http://files-download.avg.com/inst/mp/AVG_Ultimate_761.exe
Thank you.