How to Download and Install Minecraft 1.21 on macOS Apple Silicon (M1/M2/M3/M4) (Portable USB / Flash Drive Setup)

Overview Installing Minecraft 1.21 on macOS Apple Silicon (M1/M2/M3/M4) requires the proper Java runtime and directory permissions.

Technical Prerequisites - **Target OS**: macOS Apple Silicon (M1/M2/M3/M4) - **Default Installation Path**: `~/Library/Application Support/minecraft` - **Required Java Environment**: Java 21 - **Recommended Memory Allocation**: 4GB

Step-by-Step Installation 1. **Prepare Runtime**: Ensure your system has the proper runtime installed. On macOS Apple Silicon (M1/M2/M3/M4), files are stored at `~/Library/Application Support/minecraft`. 2. **Download Minecraft 1.21**: Use SuperLauncher to fetch clean game assets directly from Mojang CDN with verified SHA-1 checksums. 3. **Configure Memory & Arguments**: Allocate at least 4GB of RAM for optimal tick-rate and render chunk generation. 4. **Launch & Verify**: Start the game and verify the title screen displays version `1.21`.