- Go to Adobe's Flash Player download page and download the Flash installer. Caution: Adobe's download page may include a checkbox for optional software (such as Google Chrome or McAfee Security Scan) that is selected by default. If you do not clear the checkbox before downloading, that software will be installed on your computer when you open the Flash installer.
- When the download has finished, close Firefox. Click the Firefox menu and select .Click the Firefox menu at the top of the screen and select .Click the Firefox menu and select .
- Open the Flash installer file you downloaded and follow the instructions.
Note: If you are having problems with the Flash installer from Adobe's download page, you can use this Flash Player installer link to directly download the full installer.
- Go to Adobe's Flash Player download page and download the Flash installer.
- Click the Firefox menu and select .Click the Firefox menu at the top of the screen and select .Click the Firefox menu and select .
- Open the file you downloaded (i.e. install_flash_player_osx_intel.dmg).
- In the Finder, open the Install Adobe Flash Player.app to run the installer, then follow the installer's instructions.
- Go to Adobe's Flash Player download page.
- When prompted, save the file (i.e. install_flash_player_"version"_linux."processor".tar.gz).
- Click the Firefox menu and select .Click the Firefox menu at the top of the screen and select .Click the Firefox menu and select .
- Open a Terminal window (in Gnome, click on the menu, select , and then select .)
- In the Terminal window, change to the directory where you saved the file you downloaded (e.g. cd /home/user/Downloads).
- Extract libflashplayer.so from the file you downloaded with the command tar -zxvf install_flash_player_"version"_linux."processor".tar.gz.
- As the super user, copy the extracted file, libflashplayer.so, to your Firefox installation directory's plugins sub-directory. For example, if Firefox is installed in /usr/lib/mozilla, use the command sudo cp libflashplayer.so /usr/lib/mozilla/plugins and then enter your super user password when prompted.