Transfer a license from an old device to a current device

Avast Free Antivirus / Premium Security
1

I have a tablet that I rooted and since then, I can’t get my premier license to apply to this tablet. Help Please

2

This forum is for avast for pc’s, not tablets.

For your information:
There is no premium anymore.
AMS 5 is freeware.

3

I want to transfer a license from an old PC to a new one. How can I do it?
THNKS

4

See: https://www.avast.com/faq.php?article=AVKB24#idt_0450