IS 2014 licence on is 2016

Hi all,
I have problem that I didn’t find with search on this forum nor google. I got Avast internet security 2014 valid licence and I did clean install of win10 on my computer. Now problem is that I cant install IS 2014 cause its incompatibile with win10 and IS 2016 want accept my activation code for 2014. What I can do to get my avast up n runing?
Please help.

https://www.avast.com/resend-license-paid.php

Get the license file and use that.