These are the requirements for The Sims 4 base game, no Packs included. You can read more on how to keep playing in our Answers HQ thread or by downloading The Sims 4 Legacy Edition. If you want to keep playing the game while running macOS Lion, do not update The Sims 4 to any future game patches. We no longer support The Sims 4 on the macOS Lion (10.7) operating system.
Check here to find out if your PC or Mac can run The Sims 4 and The Sims 4 Expansion Packs.