So when the technology developed, the software couldn’t. Adobe will block Flash content from running in Flash Player beginning January 12, 2021, and the major browser vendors will continue to disable Flash Player … WhatVwant » HowTos & Tricks » Mac » How to get/install, and update Adobe flash player on Mac. Simply run Chrome with the -allow-outdated-plugins flag: In addition to the EOL killswitch, Adobe have gone out of their way to remove downloads for previous versions of Flash Player from their website. In Flash Builder, create a new project: File -> New -> project.