Many websites require the Adobe Flash Player plugin to display videos and games. Learn how to install the Flash plugin for Firefox. Adobe is changing the world through digital experiences. Our creative, marketing and document solutions empower everyone from emerging artists to global brands. Check If I Have Adobe Flash Player Installed But Not Detected. Ways to Install Flash Player on Ubuntu. Open the Ubuntu Software Center. You can start it from the Ubuntu task bar. Click the Edit menu and select Software Sources. Click the Ubuntu Software tab. Check the Software restricted by copyright or legal issues multiverse box. Click Close. 5. Wait for the Software Center to update sources. This may take a few minutes. Search for Pepper Flash Player. Download the browser plugin. The package name will be pepperflashplugin nonfree, but it is a free plugin. Open the Terminal. You can start it from the task bar, or press CtrlAltT8. Type. sudo update pepperflashplugin nonfreeand press Enter. Wait for the installation to complete. This may take a few moments. Once the installation is complete, your computers name will appear again. Type exit and press Enter to close the terminal. Restart your browser. Flash is now installed for Chromium. Check for updates periodically. When Flash is installed this way, it will not update automatically. You will need to manually check for updates on a semi regular basis. RPT2.png' alt='How To Install Adobe Flash For Firefox' title='How To Install Adobe Flash For Firefox' />To download and install Adobe Flash Player, visit adobe. Downloads section, find the Flash Player, and follow the instructions for. If you have any previous versions of Firefox, then uninstall them before you install the new version. Dont worry about losing your settings and extensions, they will. Testing Flash. Note If the Flash plugin is installed, make sure it is enabled in the Firefox 3. SeaMonkey 2 Addons Manager otherwise. Update-Adobe-Flash-Player-Step-1.jpg/v4-728px-Update-Adobe-Flash-Player-Step-1.jpg' alt='Install Adobe Flash For Firefox' title='Install Adobe Flash For Firefox' />Open the Terminal. Type sudo update pepperflashplugin nonfree status and press Enter to check for updates. If the available update is a higher number than your installed update, there is an update available. Type sudo update pepperflashplugin nonfree install and press Enter to install the update. Restart your browser to complete the update.