Adobe Flash Not Installing For Mac Os

In this step-by-step guide, learn how to enable Adobe Flash Player in the Safari web browser.

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

Adobe Flash Not Installing Properly

  • 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.

Scroll down the list on the left until you find Adobe Flash; select, then to the right, decide whether you want behaviour on, off or ask by default & for any specific sites. Full instructions at Adobe: Enable for Safari. I have a Mac OS 10.13.6 with Safari 12.0.1. I'm trying to install the latest version of Flash Player. I open the app 'Install Adobe Flash Player,' check the box that I have read the License Agreement, click 'Install,' provide my computer's password, and click on 'Install Helper,' get the the bar tha. I recently upgraded my flash player to 13, but I had trouble playing youtube videos or any kind of mp3. So I uninstalled the flash player restarted my mac then installed the flash player 12 then I went on youtube again to see if the videos worked but I got the problem it would say 'The Adobe Flash P.



Apple Safari version 14, released for macOS in September 2020, will no longer load Adobe Flash Player or play Flash content. Please visit Appleā€™s Safari support for more information.

Adobe flash not installing for mac os 10.13
  1. Click the Websites tab and scroll down to the Plug-ins section. Locate the Adobe Flash Player entry.

  2. Select a setting to use for Flash Player when you visit other websites.

  3. You can configure Flash for individual websites (domains). Select a website listed in this window, and choose Ask, Off, or On.

  4. Exit Preferences after you finish configuring Flash Player.

Adobe flash player for mac os sierra

  1. Note:

    If you are viewing Safari in full-screen mode, mouse over the top of the browser screen to see the menu.

  2. Click the Security tab. Ensure that Enable JavaScript and Allow Plug-ins are selected. Click Plug-in Settings.

  3. From the When visiting other websites menu, choose On, and then click Done.

Adobe Flash Player For Mac Os Sierra

After installing Flash Professional CS6 Update 2, the Adobe Extension Manager is launched to install Toolkit for CreateJS 1.1. However, if you are using MAC OS X 10.8.2, the Extension Manager throws the following error, and doesn't install Toolkit for CreateJS 1.1:

The extension Adobe_Flash_Professional_Toolkit_For_CreateJS does not contain valid signature. The extension will not be installed.


The error does not affect the Flash Professional CS6 Update 2 installation, and the Update is functional.

Adobe Flash Not Installing For Mac Os High Sierra

  1. Close the Adobe Extension Manager window.
  2. Download and install Toolkit for CreateJS 1.1 from this link.