How to get Detroit: Become Human for FREE legally (no credit card)

UPDATE! It seems like this was actually a glitch and they've patched it. You will still get the coupons when you sign up for a new account but currently you can't apply them to a game. In the near future you will probably be able to use the coupons, but one per game. Stay tuned for updates! Step-by-step way how to get claim and keep Detroit: Become Human for free through STOVE Store and install it and play any time you want. Direct link to the game: https://store.onstove.com/en/games/4797