On this page Enable on Mac OS Enable on Windows Applies to: Flash Player 10 Flash Player 11 Enable on Mac OS Launch Opera. In the address field, type opera://plugins. On the plug-ins page, locate the Adobe Flash Player section. Click Enable. If more than one Flash Player plug-in is listed, click the Show Details button and enable the PPAPI (out-of-process) plugin. Flash Player is now enabled in your browser. Enable on Windows Launch Opera. In the Address field, type opera://plugins. On the plug-ins page, locate the Adobe Flash Player section. Click Enable. Flash Player is now enabled in your browser. Twitter™ and Facebook posts are not covered under the terms of Creative Commons. Legal Notices | Online Privacy Policy