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To do this, click on the Apple icon in the upper left corner, then on "About This Mac" and then on "System Report." When the report opens up, scroll down to the "Software" section and click on "Applications."Īn alphabetical list of applications will appear with various details about each one. If you scroll to the far right, you should see a column that says "64-Bit" and the words "Yes" or "No" for each application. For those who are considering an upgrade to Catalina, a good first step is to see what 32-bit programs you are currently running to determine if they are important to you or not.
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