This is a steam key giveaway, made by fanatical, fanatical is a game store / bundle site
You need to have a non limited steam acc to get this
Go to the Fanatical website, register / login
Link your steam account to their website
https://www.fanatical.com/account/login
Go to the giveaway page
https://www.fanatical.com/game/peaky-blinders-mastermind
Verify that the price is 0
Checkout
View Order and Keys
Reveal Key and redeem it (sometimes they run out of keys)
Keys expire (if they are not used) by may 10
Giveaway is region locked
Countries Excluded: Argentina, Bangladesh, Brazil, Bulgaria, China, Hong Kong, India, Kazakhstan, North Korea, Macedonia, Morocco, Myanmar, Nigeria, Pakistan, Peru, Russia, Taiwan, Thailand, Tunisia, Turkey, Uruguay, Vietnam
Key Restriction: PRC aka China
