How to update Flash on your Mac if you've already got it installed Here's what you do when you want to update Flash on your Mac. If you have Flash on your Mac, you might be wondering how to go about updating the plug-in, especially if you've decided not to allow Flash to update itself. Visit Adobe's 'Get Flash' page: Click the 'Download. To install Flash you must first download the installer program from Adobe.
Though macOS no longer comes with Flash installed by default, you can still download and install it if you need to. While Flash may have fallen by the wayside for many in favor of newer technologies like HTML5, much of the web still relies on the old plug-in to display content to users.
