I am using the Avast VPN for first time, i want to know if exists any possibility of being uniquely identified because my activities in the web. I am using my personal e-mail in the Avast account.
A vpn will hide/change your actual location however, Nothing is ever totally private when using the web/internet… 
Avast save you Real IP + VPN IP. Mother Queen know all about you and can find you.
Avast VPN steal don’t have normal kill switch - one day someone als will know all about you 8)
It works quite good. You can access to any website with it.