Find 'Shockwave Flash Object' in the list and ensure it is enabled.In the Manage Add-ons window, select 'Toolbars and Extensions.'.Click on the gear icon in the top-right corner to open the menu and select 'Manage add-ons.'.
Locate 'Adobe Flash Player' in the list and select 'On' or 'Ask' from the dropdown menu to enable Flash on all websites or prompt for permission, respectively.Go to the 'Websites' tab and scroll down to 'Plug-ins.'.Click on 'Safari' in the top menu and select 'Preferences.'.To enable Flash only for specific websites, click on 'Add' under 'Allow' and enter the website URL.Under 'Adobe Flash,' select 'Allow sites to run Flash' to enable Flash on all websites.In the left-hand menu, click on 'Cookies and site permissions.'.Click on the three horizontal dots in the top-right corner to open the menu, then select 'Settings.'.