This article will guide you on different methods to install Adobe Flash Player on Ubuntu 20.04.
Once the Adobe Flash Player has been successfully installed on your Ubuntu 20.04 system, it will never render any error while displaying the contents of those websites that are based on the Adobe #Flash platform.
Moreover, whenever you feel like removing the Adobe Flash Player from your Ubuntu 20.04 system, then you can even remove it using the method described in this guide.
To update #Adobe Flash Player on #Ubuntu:
Open "Software & updates" or run software-properties-gtk from terminal.
Check all options under "Ubuntu Software" tab.
Run sudo apt-get update from terminal followed by sudo apt-get install adobe-flashplugin.
Restart Firefox browser if it is already open.
https://linuxapt.com/blog/99-install-adobe-flash-player-on-ubuntu-20-04-lts