Install Nucleus on macOS

Requires macOS 14 or later. Nucleus uses Sparkle for automatic updates after the first install.

  1. Step 1

    Download

    Get the latest Nucleus build, or pick a specific version from the release history page.

  2. Step 2

    Open the DMG

    Double-click the downloaded disk image to mount it.

  3. Step 3

    Install

    Drag Nucleus.app into your Applications folder.

  4. Step 4

    Launch Nucleus

    Open Nucleus from Applications or Spotlight.

  5. Step 5

    Connect Google accounts

    Open Account Center, add your Google OAuth Client ID, then sign in with each Gmail account you want to manage.