Installation and updates

Learn how to install your favorite Mozilla products and keep them updated.

In English

Install Firefox on Linux

Update Firefox to the latest release

Update Firefox to prevent add-ons issues from root certificate expiration

How to install Firefox on Windows

Firefox users on Windows 7, 8 and 8.1 moving to Extended Support Release

Move Thunderbird data to a new computer

Back up and restore information in Firefox profiles

Download Firefox on Windows from the Microsoft Store

Find what version of Firefox you are using

Profiles - Where Thunderbird stores your messages and other user data

Update to the latest version of Firefox for Android

Custom installation of Firefox on Windows

Run Firefox on ChromeOS

Switch from Chrome to Firefox

Firefox users on macOS 10.12, 10.13 and 10.14 moving to Extended Support Release

Uninstall Firefox from your computer

How to install Mozilla VPN on a Linux computer

Firefox has ended support for Windows XP and Vista

Update Thunderbird to the latest version

Install Thunderbird on Linux

Deploy Firefox with MSI installers

Install an older version of Firefox

Install Thunderbird on Windows

Choose a Firefox update channel

Import settings and data into Thunderbird for Android

Enable background updates on Firefox for Windows when Firefox is not running

Install Firefox on your phone or tablet

Download and install Mozilla VPN on Windows

I found a fake Firefox update

Recover user data missing after Firefox update

Install Firefox on your iPad, iPhone or iPod

Install Firefox on an Android device using Google Play

Switching to Thunderbird

Install Thunderbird on Mac

Firefox ESR release cycle

What is the Mozilla Maintenance Service?

Importing Safari data into Firefox

Windows in S mode won't let me install Firefox

Best practices for installing and updating Firefox

Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication

Thunderbird Beta

Is Mozilla VPN compatible with my device?

Firefox Mac OS X 10.9, 10.10 and 10.11 users move to Extended Support Release

Windows 10 warns me to use a "Microsoft-verified" app

End of support for Firefox Lockwise

Why do I get a harmful download message when downloading Firefox on Windows?

Thunderbird for Android 8 FAQ

Installing an Add-on in Thunderbird

How to add devices to your Mozilla VPN subscription

Automatically launch Mozilla VPN when your device starts

Getting started with Thunderbird for Android

How to enable Always-on VPN on Android

Thunderbird 115 Supernova FAQ

How to download and install Firefox on Mac

Find what version of Thunderbird you are using

Manage Firefox updates

Getting started with Firefox Lockwise

How do I update Mozilla VPN?

Firefox update notifications on Windows

Upgrading from an older version of Thunderbird

Is Firefox available for iPhone or iPad in my language?

Which version of Firefox am I using?

How can I get the latest version of Thunderbird on Windows XP or Vista?

How do I tell if I have the 32-bit or 64-bit Firefox?

Test versions of Firefox for your organization

Deploy Firefox on macOS using PKG and Jamf

How do I choose my server on Mozilla VPN?

Recover user data missing after Thunderbird update

Solutions for "Can not create temp folder archive" error when installing Firefox (Windows 10)

Download and install Mozilla VPN on iOS

New in Thunderbird 115 Supernova

Verify a Mozilla Thunderbird installation package

New in Thunderbird 128 Nebula

Thunderbird 128 Nebula FAQ

Thunderbird Software Update Failed

Deploy Firefox with extensions

How to silently install/uninstall Firefox for Enterprise

Download Mozilla VPN on your desktop or mobile device

Managing Thunderbird Updates

How do I uninstall Mozilla VPN?

New in Thunderbird 102

Getting started with Pocket for Mac

Resolve “The installation seems to be incomplete/corrupt” error in Firefox on Windows

New in Thunderbird for Android version 8

Download and install Firefox for Android

How do I move my Thunderbird data to a new computer?

Installing Ubuntu on Ubuntu Linux

Moving Thunderbird Data to a New Computer Redirect 1

Installing Thunderbird on Ubuntu Linux

Uninstall Thunderbird from your computer

Uninstall Firefox for Android

Uninstall Firefox for iOS

Firefox is no longer available for download in the T-Store

Your hardware is no longer supported by Thunderbird

64-bit Firefox crashes with Citrix's XenApp VM

Thunderbird support has ended for Mac OS X 10.6, 10.7 and 10.8

Thunderbird end of Support for XP and Vista

Repackage the Windows installer

Deploy Firefox customizations on macOS

Choosing a Firefox CPU architecture for Windows OS

Supported platforms and system requirements

Deploy Firefox on Windows

Setting Up Roaming Users Profiles

Install Firefox Lockwise on iOS

Install Firefox Lockwise on Android

Firefox Lockwise - sync saved logins across Firefox and mobile apps

Firefox Lite Content and Services

Access the latest news from Firefox Lite

Dedicated profile per Thunderbird installation

Firefox for Android (68 and earlier) end of support

Deploy Firefox with language packs

What to do after you have subscribed to Mozilla VPN

Custom installation of Thunderbird on Windows

How to download and install Mozilla VPN on Android

How to download and install Mozilla VPN on macOS

What's New in Firefox Klar for iOS

Install Pocket for Android and Kindle Fire via direct download

Getting started with Pocket for iOS

Pocket system requirements

Get started with Pocket on your computer

Get started with Pocket for Android

Getting started with Pocket on your Kobo eReader

Use Pocket on Kindle devices

Pocket for Mac no longer available - FAQ

Pocket's top feature requests

Well known sources for downloading the Thunderbird email software

Will Firefox work on my mobile device?

Make Firefox the default browser on Android

Firefox release notes - What's new and known issues

Explore by product

Explore by topic

Browse by product

Browse all forum threads by topic

Get help with

Search Support

In English

Volunteer