So, where's the button I push to download Flash Player in order to watch videos on my computer? I need it for Mozilla Firefox?
You can use the link posted below to download the application for the non-IE browsers. Make sure that you closed all the browsers that are not IE related/based to complete the installation on your computer.
Download page at Software Informer: http://adobe-flash-player-plugin97.software.informer.com/download/
Direct download URL: https://admdownload.adobe.com/bin/live/flashplayer18_ha_install.exe
Official download: https://get.adobe.com/flashplayer/otherversions/
Note: Use the NPAPI version for Firefox compatibility/installation.