Install and update

Update Firefox to the latest release

Firefox automatically updates itself by default, but you can always do a manual update. Learn how to update Firefox on Windows, Mac, or Linux.

Firefox Firefox Last updated: 07/29/2023

Install Firefox on Linux

This article describes how to download and install Firefox on Linux.

Firefox Firefox Last updated: 1 week, 2 days ago

Custom installation of Firefox on Windows

The custom setup option in the Firefox full, offline installer lets you choose the program folder location and shortcuts. Learn more.

Firefox Firefox Last updated: 02/26/2022

Uninstall Firefox from your computer

This article describes how to uninstall the Firefox application from your computer and also how to remove the personal information that Firefox stores.

Firefox Firefox Last updated: 07/12/2023

Run Firefox on ChromeOS

This page explains how to install Firefox on Chromebooks and other devices running ChromeOS.

Firefox Firefox Last updated: 05/02/2023

I found a fake Firefox update

What to do if you spot fake notices claiming to contain an "urgent" or "critical" Firefox update.

Firefox Firefox Last updated: 06/06/2022

What is the Mozilla Maintenance Service?

Firefox and Thunderbird install Mozilla Maintenance Service to allow seamless background updates. Learn how it works and how to disable or remove it.

Firefox, Thunderbird Firefox, Thunderbird Last updated: 04/02/2023

Install an older version of Firefox

Downgrading to a previous Firefox version doesn't solve most problems. This article links to older versions and provides some alternatives.

Firefox Firefox Last updated: 1 week, 6 days ago

Importing Safari data into Firefox

Import data from your Safari browser into Firefox. You must enable Full Disk Access on macOS version 10.14 (Mojave).

Firefox Firefox Last updated: 07/26/2023
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