Trying to add AVG ultimate to another computer in next room

Trying to add AVG Ultimate to another computer in next room.I get as fas as the invitaion sent tp

other computer and follow the steps in the email to install on new device.Get as far as INSTALL
and it install a 27day free trial nothing comes yp to enter the invitation code.
Can sort this out.

Hello Pauline,
We regret for any inconvenience caused. Are you clicking on the link in the invitation email to download the setup file? Did you uninstall previous version AVG completely before following the steps in the invitation email? Please, feel free to let us know if you require any further assistance. Thank you.