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Requirements: Macintosh 64 bit

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The last day that 32 bit Theatre Manager will continue to run is Jun 8, 2020.

  • 64 bit migration commenced Nov 1, 2018
  • Last date of 32 bit support was Sep 15, 2019
  • Last day 32 bit will run is Jun 8, 2020 - upgrading to 64 bit is free
Arts Management support team does not assist with operating system updates. Please refer to your IT support people if you need technical assistance.

We have endeavoured to describe the pathway for free updates for your convenience.

The 64 bit version of Theatre Manager requires Sierra (10.12) or later.

We recommend upgrading workstations to Mojave or later.

Apple's web site contains instructions to help you update to High Sierra. Please take note of step 4, where you are given a choice of updating to:

Pick the version of MacOS that is best for your computer and/or other key applications. When selecting Sierra, High Sierra, Mojave, or Catalina, please pay particular attention to the notes on machine compatibility.


Click image to go to Apple's Mojave update web site.