If you have Epic Launcher Installed, just open the store, click on each game and click Install/Free
or Visit here:
https://www.epicgames.com/store/en-US/collection/free-game-collection
Create an account or log in an already existing one, and permanently add the games on your account. (one by one)
https://www.epicgames.com/store/en-US/product/abzu/home
https://www.epicgames.com/store/en-US/product/the-end-is-nigh/home
