How to Install OpenCode on macOS (Full Step‑by‑Step Guide) 2026

Complete guide on installing OpenCode on your Mac using both the desktop app and the terminal version. I show you how to download the macOS DMG installer, set up the app, choose models, switch between Build and Plan modes, and connect providers like Anthropic or OpenCode Zen. You’ll also learn how to install OpenCode via Terminal using the curl command, switch models with shortcuts, and manage sessions inside the CLI version. Perfect for beginners who want the fastest way to get OpenCode running on macOS. Tags opencode, opencodeai, opencodeinstall, macos, macsetup, terminal, curlinstall, desktopapp, aiworkflow, devtools, codingworkflow, development, techguide, tutorial, stepbystep, productivity, workflow, modelsetup, bigpickle, qwen, zenprovider, apiconnection, claude, claudeai, applesilicon, intelmac, howto, guide, softwareinstall, codingforbeginners, m1, m2, m3, m4, m5