Version one supports Apple Silicon Macs running macOS 14 or later. Get the signed DMG from the download page and verify its SHA-256 checksum and signature before installing.
Install the community edition on Apple Silicon macOS
Windows and Linux builds have moved to later stages. No installers are currently available, and neither platform is supported by version one.
Verify the download
shasum -a 256 deepseek-harness-desktop-community-1.0.0-arm64.dmgFirst launch
- Install and start the app, then wait for the bundled runtime to become ready.
- Add your own API key in the model settings (BYOK; the key stays on this device).
- Open the diagnostics page and confirm the runtime reports ready.
Upgrades and uninstalls never delete your configuration; a failed migration rolls back automatically and keeps diagnostics.