• Java Plugin For Windows

• Customize your browsing experience by getting Safari extensions from the Mac App Store. Get extensions to customize Safari on Mac. To browse the Safari User Guide, click Table of Contents at the top of the page. If you need more help, visit the Safari Support website. Safari User Guide.
• How to unblock plug-ins in Mac OS X Safari. We're going to assume that Adobe Flash is probably the problematic plug-in. Flash is a target for internet ne'er-do-wells and frequently needs updating.

Before you start, check the version of Safari running on your Mac. To display the version number, choose Safari > About Safari.

Safari 12 no longer supports java. As someone mentioned on the apple discussion forums one of the workarounds is to switch to Firefox version v52.9ESR. It is important to (quickly) disable updates within the Firefox preferences or it will update to a newer version that also doesn't support Java.

• If your Safari version is 11.0 or later, follow the steps in For Mac OS X 10.11, macOS 10.12, and later.
  
• If your Safari version is 10.0 or later, follow the steps in For Mac OS X 10.10.

Note:

Apple Safari version 14, released for macOS in September 2020, will no longer load Adobe Flash Player or play Flash content. Please visit Apple’s 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.

Java Plugin For Windows

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.