Avast premium paid script need tech support

I need tech support for a paid script

First, I’m an Avast user and not an Avast Team member.

Can you be a little more detailed on exactly what help it is that you need. It will help us to help you.

I have avast prem on my desktop i have had it for 4 years I recently put it on another desktop and it is working but now says it has expired

i cannot get into avast on my desktop i just changed my password and it wont let me in i do not have the signup email any longer and the info product # does not work on the other desktop it is impossible to find a tech support # my avast prem is a paid account