Go to the Apple menu and click System Preferences. Download the uninstaller for Flash Player.

Once you download the uninstaller and open the DMG disk image, you'll see this icon: Click on it to open the program and you'll immediately be prompted from MacOS whether you really want to run the program or not: Again, double check you got the right app from the actual site. Follow the given steps to uninstall Flash Player on Mac: a) Go to Finder > Applications and find the Adobe Flash Player app. Adobe recommends closing all browsers and apps that use Flash before running the uninstaller. This may save you hours and ensure you don't harm your system by deleting the wrong files. After successfully installing Flash Player, move the installer file from the desktop to the trash bin. Step 1 Go to the 'System Preferences' on your Mac and locate the 'Flash Player' in the bottom. When on the Settings pane, select Advanced.

Double-click to open the uninstaller and then double-click the Uninstaller icon to run it.

Shows windows to uninstall flash player