www.trading212.com/invite/GcH1TZPM
Register with this link, and make a deposit of at least just 1 $/€/£, and You will get a free stock worth up 100 $/€/£.
You just have to register after going on this address, and even though there is no clear indication of this bonus being applied, it will be there.
I got my free stock after just about an hour following a deposit.