You can claim free games from services like the Epic Games Store, Amazon Prime Gaming, and GOG even if you don't have a gaming PC. The games offered are full, regular game releases, not "free-to-play" ...
Amazon Prime costs $15 a month, or $139 if you pay yearly. There's also an option for students that costs $7.50 a month and an option for those on a qualified government assistance plan for $7 a month ...