Then your security settings do not allow you to open files that are not from the Mac App Store by double-clicking. If the window is similar to the following: To start the installation process, Control-click the Tunnelblick icon and click 'Open' and a new window will appear. A window similar to the following will appear: Installing Tunnelblickĭepending on your browser and its settings, you may need to double-click the downloaded disk image file to mount the disk image. This is an important step to ensure that the download was not damaged or deliberately modified en-route to your computer.

Note: If you are using an older version of macOS (10.4 -10.12) you should download an older version of Tunnelblick from the Deprecated Downlaods page. If you need help deciding between the 'stable' and 'beta' versions, see Stable vs. Downloading Tunnelblick and Verifying the Downloadįirst, download the latest disk image from the Downloads page. Updating Tunnelblick: It is usually easiest to update using Tunnelblick's built-in updater (see the 'Preferences' panel of Tunnelblick's 'VPN Details' window), but you can install a new version of Tunnelblick without uninstalling the previous version the previous version will be upgraded without disturbing your existing configurations and settings. The Tunnelblick application contains the Tunnelblick GUI, OpenVPN, and OpenSSL, so no other installations are needed except for VPN configurations.

Downloading Tunnelblick and Verifying the Download

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