• OS X 10.11, macOS 10.12 and earlier versions
  
• OS X 10.10, earlier version
  
• OS X 10.8 and 10.9
  
• OS X 10.6 and 10.7
  

OS X 10.11, macOS 10.12 and earlier versions

1. Open Safari, then choose Safari > Preferences.
   
   
   
2. Click on the Websites tab and scroll down until you reach the Plug-ins section. Locate the entry Adobe Flash Player.
   
   
   
3. Select the box to activate Flash Player.
   
   
   
4. For the setting When visiting other websites, select the option of your choice: Ask, Off or On.
   
   
   
5. Flash can also be configured for individual websites (domains). For every Identified website in the Allow websites to use this plug-in with the settings below section, select an option from the list: Ask, Off or On.
   
   
   

   
   
6. Leave the Preferences page after configuring the Flash Player.
   

OS X 10.10, earlier version

1. Open Safari and then choose Safari > Preferences.
   
   
   

   
   
2. Click on the Security tab. Make sure that the options Allow Javascript and Allow Plug-ins are selected. Click on Plug-in settings.
   
   
   

   
   
3. Select Adobe Flash Player.
   
   
   

   
   
4. In the When visiting other websites menu, choose On, then click Done.
   
   
   

   
   
5. For every website that appears in Websites currently open, choose On in the right-hand menu.
   
   
   

   
   

OS X 10.8 and 10.9

1. Open Safari and select Safari > Preferences.
   
2. Click on the Security tab. Make sure that the options Allow JavaScript and Allow plug-ins are selected. Click on Manage website settings.
   
   
   

   
   
3. Select Adobe Flash Player. In the When visiting other websites menu, select Allow.
   
   
   

   
   

OS X 10.6 and 10.7

1. Select Safari > Preferences
   
   
   

   
   
2. In the Security tab, make sure that the options Allow Java and Allow plug-ins are activated.

   
   

   
   
3. Close the Preferences window.