How to install Adobe Flash Player for Firefox?

It is out of date right now but I need it for an urgent business. It was installed in my computer but after January 11 it suddenly stopped to work. I know Flash Player is expired but there is no other way for me to access old newspaper issues as a student doing research

1 Answer

You can use an alternative gnash available for Ubuntu Xenial and Bionic:

sudo add-apt-repository universe
sudo apt install gnash browser-plugin-gnash

Description of browser-plugin-gnash:

GNU Shockwave Flash (SWF) player - Plugin for Mozilla and derivatives