Double click and launch the Uninstaller once it is downloaded.Now, click on Continue, go through the process → Finish.For installation, you may have to close any other apps that also require Flash.Enter your Mac’s password if asked and then click on Install Helper.Now, click on Open from the popup → Click on Install.Click on Install Adobe Pepper Flash Player.Next, click on Download Now and then double click on the.Go to Adobe’s Flash Player Download page.
How to Download and Install Flash Player on Mac for Free