Mac OS X, version 10.4 and 10.5: uninstall_flash_player_osx.dmg The uninstaller is downloaded to the Downloads folder of your browser by default. In Safari, choose Window > Downloads. “In Safari 10, set to ship with macOS Sierra, Apple plans to disable common plug-ins like Adobe Flash, Java, Silverlight, and QuickTime by default in an effort to focus on HTML5 content.

Flash Player For Mac Downloads
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:
Adobe Flash For Mac Sierra

- 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.
Does Mac Use Adobe Flash Player
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.
Mac Os Adobe Flash
Contact Adobe if you need help downloading, installing, or using Adobe Flash Player.