Why?
Adobe stopped supporting the Flash Player application on December 31, 2020.
This means that there will be no security patches or updates against potential vulnerabilities in the software. Therefore, it is highly recommended that you uninstall any version of Flash Player on your laptops to protect your system. MORE
LEARN HOW TO UNINSTALL FLASH
Be sure to download the uninstaller that matches the Mac OS version on your laptop, and verify that the uninstallation was completed.