Note: Make sure you install Flash Player from Adobe’s official website and not from any other website. In case you haven’t done this, you can download and Install Adobe Flash Player by going to Adobe’s official Flash Player Page. In order to be able to play Flash Videos, you will need to download and Install the latest version of Adobe Flash Player on your Mac. If there is problem playing YouTube Videos, make sure that you have the latest version of Safari and Chrome Browsers installed on your Mac.
Note: YouTube does not use Flash and you should not have any problem Playing YouTube Videos on Mac using either Safari or Chrome Browsers.
