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Check Compatibility of Your Applications
32-bit applications no longer work under macOS 10.15. If you are upgrading from a version below macOS 10.15, check your installed applications and remove or replace any 32-bit apps.
Look at the compatibility table at http://roaringapps.com/apps for applications you rely on. Click on the Legend link and search for applications you use. If you have specialty apps that you rely on for teaching or research, you may want to check their compatibility.
Check Compatibility of Your Peripherals
Do you have a printer, scanner, or other peripheral in your office or at home? Please refer to the vendor website for compatibility information.
Update Your Apps
Update Adobe Creative Cloud apps and Acrobat via the Creative Cloud Desktop Application. If you have older versions installed and are not able to update via the Creative Cloud Desktop Application, please contact the Helpdesk to verify you have the correct license assigned to you.
App Store Apps
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From the Apple Menu, select App Store.
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Click Updates.
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Update all of your Apple Apps.
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Apply all Apple Software Updates for your current OS.
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Apply any available firmware updates.
Uninstall Old and Outdated Software
Uninstall Adobe Products
Adobe Applications older than Creative Cloud 2018 can be uninstalled with these instructions: Uninstalling Adobe Products
After the upgrade, you can reinstall your Adobe Products from the Adobe Creative Cloud Desktop App.
Uninstall Microsoft Office 2016 following these instructions
If you have Microsoft Office 2016, it is recommended that you upgrade to version 2019. For older versions of Office, it is required that you upgrade to version 2019.