1. I removed Avast using the Uninstall-Utility

  2. I downloaded my Avast Version

  3. How exactly do I insert the license when I get a message that the license has expired?

I sent an email requesting the license registration number but got an email back saying that my email address ( devin104@primelink1.net ) did not show up in Avast’s records as having ever made a valid purchase from Avast.

This is absolutely incorrect as Avast emailed me to this email address reminding me the time for my renewal was approaching as shown below:

Hello Lewis Lafontaine,

Thanks for using avast! Internet Security during the past year. We hope you’ve enjoyed worry-free protection of your online experiences, identity, and data. Smart folks like you have made avast! the world’s most widely used antivirus software.
Your software license will expire in one month, so here’s how to renew your protection in 3 simple steps:

What should I do now?

Thank you