Drag the downloaded fix file into the Terminal window and press .
Once the patch is applied, you can launch Garry's Mod. On Apple Silicon Macs, the game will run via with surprisingly high performance, often maintaining 60+ FPS even with numerous addons. Requirement Minimum Spec OS macOS 10.15 (Catalina) or later (required for 64-bit) Processor Intel Core 2 Duo or Apple Silicon (M1/M2/M3) RAM 4 GB (8 GB recommended) Storage 5 GB for base game; 20+ GB recommended for addons Save 50% on Garry's Mod on Steam Gmod Install Mac Direct
: In the "Beta Participation" dropdown, select x86-64 - Chromium + 64-bit Binaries . Drag the downloaded fix file into the Terminal