Before you start, check the version of Safari running on your Mac. To display the version number, choose Safari > About Safari. If your Safari version is 11.0 or later, follow the steps in For Mac OS X 10.11, macOS 10.12, and later. I use a Mac OS X version 10.10.1. I want to re-install Adobe Flash Player, which I am told I need for viewing a - Answered by a verified Mac Support Specialist We use cookies to give you the best possible experience on our website.
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.
Adobe Flash Player For Mac
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:
- 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.

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.
Flash Player
Contact Adobe if you need help downloading, installing, or using Adobe Flash Player.