While Patch 1.70 does not add new content (no worlds, no objects, no traits), it dramatically improves stability on modern hardware. The reduction in Error Code 12 and the ability to recognize RTX 30-series and 40-series graphics cards breathe new life into a 15-year-old game.
Because the 32-bit and 64-bit versions are distinct, you must install version 1.70 from scratch. It will not update an existing 32-bit installation. The Sims 3 Patch 1.70 Download
The Sims 3 Patch 1.70 (also formally known as Patch 70 or version 1.70.292.024017) is a pivotal update released exclusively for macOS users. Designed to transition the game from a 32-bit to a modern 64-bit architecture, this patch is the only way to run The Sims 3 on macOS Catalina (10.15) and newer operating systems. If you are playing on a modern Mac, getting this patch ensures your game is compatible with your hardware. The update is generally pushed automatically through the EA app or Origin client. While Patch 1