I have recently discovered that some background processes are no longer running. They appear to have stopped running around the time that I upgraded to High Sierra (~ 3 months ago). Is there anywhere that I can find exactly when I applied this upgrade to confirm?


Follow these steps:

  1. Go to Apple > About This Mac
  2. Click on the System Report button
  3. In the lefthand Sidebar scroll down to Software and select the Installations option
  4. In the righthand pane you will see a list of software. Scroll through the list until you see the macOS High Sierra installations (see screenshot below as example):

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