The default setting for Adobe Acrobat on a Mac is to automatically download all updates. The updates add functionality and security measures to prevent the operating system from being compromised from opening a PDF. The application periodically checks the Adobe servers for updates while the computer is connected to the Internet. If you do not want the software to automatically update, you can turn off the feature by opening the Preferences window.
Step 1
Launch Adobe Acrobat on your Mac.
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Step 2
Click "Acrobat" from the main menu bar, and then select "Preferences" from the drop-down list. The Preferences window opens.
Step 3
Click "Updater" from the list in the "Categories" column on the left side of the window.
Step 4
Click the "Do Not Download or Install Updates Automatically" check box, and then click "OK."
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