Before you start, check the version of Safari running on your Mac. To display the version number, choose Safari > About Safari.
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Note:
Apple Safari version 14, released for macOS in September 2020, will no longer load Adobe Flash Player or play Flash content. Please visit Appleās Safari support for more information.
Click the Websites tab and scroll down to the Plug-ins section. Locate the Adobe Flash Player entry.
Select a setting to use for Flash Player when you visit other websites.
You can configure Flash for individual websites (domains). Select a website listed in this window, and choose Ask, Off, or On.
Exit Preferences after you finish configuring Flash Player.
Note:
If you are viewing Safari in full-screen mode, mouse over the top of the browser screen to see the menu.
Click the Security tab. Ensure that Enable JavaScript and Allow Plug-ins are selected. Click Plug-in Settings.
From the When visiting other websites menu, choose On, and then click Done.