Enable Adobe Flash Player on Firefox 1) Open your Firefox browser, on the top-right corner, click the three-bar icon and click Add-ons. 2) On the left side, click Plugins. Avoid all Flash Player installers, even the real one. Adobe has said Flash is a dead technology.
If you're using an out-of-date version of the Adobe Flash Player plug-in, you may see the message “Blocked plug-in,” “Flash Security Alert,” or “Flash out-of-date” when attempting to view Flash content in Safari.
Clicking the indicator displays a message that Adobe Flash Player is out of date:
To continue viewing Flash content, update to a later version of Adobe Flash Player:
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- Click the Download Flash button. Safari opens the Adobe Flash Player page on the Adobe website.
- Follow the instructions on the Adobe website to download and install the latest version of the plug-in.
Adobe Flash For Mac Downloads
If you need to use an older version of Flash Player, you can use Internet plug-in management in Safari to run the plug-in in unsafe mode for websites that you trust.
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Contact Adobe if you need help downloading, installing, or using Adobe Flash Player.