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Upgrade Guide for MacOS

Upgrade Guide for MacOS Mojave or Catalina to MacOS BigSur

The system update guide will help you update your computer operating system. Please be sure that all of your files are stored in your Google Drive prior to beginning this process. Call the Help Desk with any questions at Ext 123.

Time Needed: 60-90 minutes

Downloading Big Sur

  1. Click on the Apple Menu on the top left side of the screen

  2. Click on System Preferences

  3. After selecting System Preferences, select Software Update

  4. Click Upgrade Now

Installing Big Sur

Once downloaded, you will be prompted to install the update. Click and follow the onscreen instructions

Please allow installation to complete without putting your Mac to sleep or closing its lid (be sure that it is plugged in). During installation, it might restart and show a progress bar or blank screen several times. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed. 

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  • 14-Jun-2021
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