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Download & Install Artemis

Follow the steps below to install and run it. Read them first, then download — so you don’t get stuck at the system block.

Requirements

macOS 11 (Big Sur) or later.
Works on both Intel and Apple Silicon. On Apple Silicon, if prompted to install Rosetta, click “Install”.
About 600MB of free disk space.

Why macOS blocks the first launch

Artemis is not yet Apple-notarized (the developer signature is being set up). macOS blocks any un-notarized app with “cannot verify the developer” or “is damaged and should be moved to the Trash.” This is the system’s default handling for un-notarized apps, not a problem with the file. Clear it once using Step 3 — after that it opens normally with a double-click.

Install steps

Download and open the DMG

Click the download button at the bottom of this page to get Artemis.dmg, then double-click to open it.

Drag into Applications

In the window that appears, drag the Artemis icon into the “Applications” folder.

Clear the system block (pick one — Method A is the most reliable)

Method A — Terminal command (recommended; also fixes “is damaged”)

Open “Terminal”, paste the line below and press Return, then double-click Artemis normally:

xattr -dr com.apple.quarantine /Applications/Artemis.app

Method B — Right-click to open

In “Applications”, right-click (or Control-click) Artemis → choose “Open” → click “Open” again in the dialog.

Method C — System Settings

Try to open it once (it gets blocked), then go to “System Settings → Privacy & Security”, scroll to the bottom, find “Artemis was blocked”, click “Open Anyway”, and enter your password.

Done

After clearing it once, double-clicking Artemis opens it directly from then on, just like any other app.

Ready? Start the download

Artemis.dmg · macOS

⬇️ Download Artemis (.dmg)

Clicking it starts downloading Artemis.dmg directly. If it says “is damaged” or “cannot verify the developer” after downloading, use Method A above.