Adding devices to the multi-device Internet Security subscription

Hi, Carol

I request you to click on the link below and submit the request to our AVG mobile team to help you in this.
Contact AVG Support - AVG Phone Number, and Chat Support (https://support.avg.com/support_contact_form?l=en&retUrl=support_Android_AVG_Antivirus)
Our team will contact you via email.

How can I add my husband's and my cellphones to my subscription

Not a problem, Carol. We're glad to know that you've managed to install. 
Thank you for updating the status. Have a great day. Stay safe!

Thanks, but I DID figure out how to do it.  Sorry to bother you.

Hi, Carol

I request you to click on the link below and submit the request to our AVG mobile team to help you in this.
Contact AVG Support - AVG Phone Number, and Chat Support (https://support.avg.com/support_contact_form?l=en&retUrl=support_Android_AVG_Antivirus)
Our team will contact you via email.