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This article only applies to Linux. For instructions to install Waterfox on Windows, see How to install Waterfox on Windows . Install from your distribution package manager (Recommended) To install Waterfox using your distribution package manager, please refer to your Linux distribution’s documentation. This method is recommended because it ensures Waterfox and all the required libraries are installed and configured optimally for your distribution. However, there may be a small delay between the official release of a new version of Waterfox and the moment when your distribution updates the version it distributes. Your distribution may also distribute it without the Waterfox branding. Install from Flatpak To install Waterfox from Flatpak, install and configure Flatpak on your computer. Once Flatpak is installed, go to the Waterfox Flathub’s page and click the Install button. Alternatively, you can type the following command in a terminal: flatpak install flathub net.wat...

Caution Waterfox now includes downgrade protection to prevent corruption of user profile data . If you install an older version, you’ll be prompted to create a new Waterfox profile. If there is a problem with a new version of Waterfox, some people may want to downgrade Waterfox to a previous version but we do not recommend this. The latest Waterfox version includes security updates so downgrading to an older version leaves you more vulnerable to attacks and usually doesn’t fix the problem. This article gives you some alternatives to downgrading and links to older versions of Waterfox if you do choose to downgrade. Unwanted features in the new Waterfox version If you dislike new features in the latest version of Waterfox, your first reaction might be to go back to the previous version. Rather than downgrading, try getting used to the new features or ask a question on the support forum, to see if there is a workaround or a way to restore the old behavior without downgrading Wa...

Note This article only applies to Mac. Waterfox allows you to easily and safely import data from other browsers , such as bookmarks, browsing history, and custom preferences. This article explains how to allow Waterfox full disk access to your computer, so that you can import data into Waterfox from your Safari browser on macOS 10.14 (Mojave) or higher. Starting in moder Waterfox versions , full disk access is only required on macOS 10.14 ( bug 1493103 ). Before importing: Enable full disk access for the necessary Waterfox applications If you’re using a Mac and running macOS version 10.14 or higher, please be sure to enable full disk access for the necessary Waterfox applications, before importing data. Note Quit Safari and the Waterfox applications that you’re enabling full disk access for, prior to performing the steps below. Otherwise, these changes won’t take effect until these applications have been terminated. To enable full disk access for the necessary Waterfo...

c You can import bookmarks, passwords, browsing history, cookies, and more into Waterfox from other browsers such as Chrome, Edge, Safari, and Internet Explorer. You can do this during first-run or any time later from Waterfox settings. If you use a Mozilla account with Waterfox on multiple devices, you can also sync data instead of importing. See Set up Sync on your computer . What you can import Depending on the source browser and platform, Waterfox can import: Bookmarks/Favorites Browsing history Saved passwords Cookies (session-related site data) Other data the source browser supports exporting Extensions from Google Chrome (when compatible; see below) Notes: The exact list of importable items depends on the source browser and may vary by platform. Some browsers restrict access to certain data or profiles while they are running; close the other browser before importing. Import during setup When you first install Waterfox, you ma...