Yesterday, thanks to
https://community.webroot.com/t5/Community-Announcements/Get-the-Best-Deal-on-Antivirus-Protection/td-p/39204/page/3
I have installed WRA-C and activated my Online Account with success:D
One of my devices is an old "Centrino" Notebook and after uninstalling my previous free AV and installing WRA-C, I was very pleased to see that it had given a new lease of life to my old machine :D
Thanks for this amazing product !