Downloading and installing Firefox for Android To download and install Firefox on your device just go to the Firefox download page and tap the download button. The Firefox page on Google Play will open. Tap the Install button. Accept the permissions to begin the download. When the download is complete, tap the Open button.How do you add on Firefox?
Mozilla Firefox Open your Mozilla Firefox browser and click on the "Tools" menu and click on "Add-ons". Click on the "Extensions" tab. Click on the add-on you want to enable and click "Enable.". Restart your browser so the changes take effect.How do I setup Mozilla Firefox?
Go to the Windows Start menu and click the Settings icon. Click Apps, then choose Default Apps on the left pane. Scroll down and click the entry under Web browser. Click on Firefox in the dialog that opens with a list of available browsers. Firefox is now listed as your default browser.