Your download will start automatically. Otherwise, or for a different chip, download for Apple Silicon or Intel.
1 Open the .dmg. Double-click the downloaded file to mount the disk image.
2 Drag to Applications. Drag Handmade.app into the Applications folder to install it.
3 Launch Handmade. Open Handmade from Applications. On first launch, right-click and select "Open" to bypass Gatekeeper.