Sorry, but it's a bit a bit unclear what you're asking for. If you want to install Firefox add-ons, you can check out the Marketplace. * https://addons.mozilla.org/en-US/firefox/ If you're asking for a download link to Firefox, you can find it here. * http://www.mozilla.org/en-US/ If you want to re-install the add-ons you had before you uninstalled Firefox, you will manually have to find them and install them again.