Open Terminal (⌘+Space, type "Terminal", press Enter).
Type sh — that's s, h, then a space.
Drag and drop the downloaded file into the Terminal window (its path fills in automatically).
Press Enter and follow the on-screen prompts.
user@macbook ~ % /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/arunofhyd/SnapBack/main/install-snapback.command)" ❯❯ [00]Scanning system for compilation tools...
First time only: the installer may ask to install Apple's Command Line Tools (a small official Apple download). This lets your Mac build the app locally — which is why macOS trusts it, with no "damaged app" warnings.
Important Setup
macOS requires explicit permissions to control windows. Snap Back needs these 3 to function.
✔
Accessibility
System Settings > Privacy & Security > Accessibility. Allows the app to move and resize windows.
✔
Screen Recording
System Settings > Privacy & Security > Screen Recording. Needed ONLY to take the preview screenshot of your layout.
✔
Automation
Accept the popup prompts when they appear. Allows the app to read browser URLs.