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Enabling installation in Security and Preferences

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Apple requires that users acknowledge that they trust the installer. The exact message you get may vary depending on the version of OSX you are using.

If you run the TM installer and receive a message similar to the one above (implying you have to provide permission). then:

  1. Select the Apple menu at the upper right of your computer screen
  2. Select System Preferences
  3. Select Security and Privacy which is on the top row of the preferences (it may be called Firewall in older versions of OSX).
  4. Click the General tab
  5. You will see a screen similar to the one below. Do one of the following
    • Click on the third option at the bottom saying Anywhere to allow apps downloaded form 'Anywhere'.
    • If that is not visible, then you should see an option to click a button that says Open Anyway to run the installer. If so click Open Anyway
  6. This will start the installation process