i acquired this key from a side purchase, but i already own the game

i am aware this game is currently free:
https://www.humblebundle.com/store/f1-2018-free-game?hmb_campaign=freegame_2020_homepage_f12018&hmb_medium=banner

thusly i only recommend you join this giveaway if you do not wish to create an account on humble bundle if you havent already