If you're using Safari, you'll need to download and install Adobe Flash Player from Adobe's website. This wikiHow shows you how to enable Flash Player on in Safari and Chrome for macOS. Create high-performance, more responsive games and content using ActionScript workers and shared. The Adobe Flash Player runtime lets you effortlessly reach over 1.3 billion people across browsers and OS versions with no install - 11 times more people than the best-selling hardware game console.