First thing, you need 10 posts as total. Then request it here
https://cit.gg/index.php?topic=344320.0Once you get 10 posts you should reply in that topic and give them your in game name, serial and account name with a form like this.
IG Name: your in game name
Account name: your account name
Serial: your serial (Click F8 type serial and you will get the serial copy and paste it.. The serial will be looking like this "DBCEE059D838C4D8003143ACBB43C402")