Installation and updates

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

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Update Firefox to the latest release

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

Install Firefox on Linux

How to install Firefox on Windows

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

How to download and install Firefox on Mac

Firefox security features warning on Linux

Find what version of Firefox you are using

Back up and restore information in Firefox profiles

Custom installation of Firefox on Windows

Download Firefox on Windows from the Microsoft Store

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

Uninstall Firefox from your computer

Firefox has ended support for Windows XP and Vista

Switch from Chrome to Firefox

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

Install an older version of Firefox

Run Firefox on ChromeOS

I found a fake Firefox update

Troubleshoot Firefox updates and the Helper tool

Recover user data missing after Firefox update

Windows in S mode won't let me install Firefox

Switch to Firefox Extended Support Release (ESR) for personal use

What is the Mozilla Maintenance Service?

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

Importing Safari data into Firefox

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

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

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

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

Firefox update notifications on Windows

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

64-bit Firefox crashes with Citrix's XenApp VM

Supported platforms and system requirements

Firefox release notes - What's new and known issues

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Installation and updates

Ní Gẹ̀ẹ́sì

Update Firefox to the latest release

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

Install Firefox on Linux

How to install Firefox on Windows

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

How to download and install Firefox on Mac

Firefox security features warning on Linux

Find what version of Firefox you are using

Back up and restore information in Firefox profiles

Custom installation of Firefox on Windows

Download Firefox on Windows from the Microsoft Store

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

Uninstall Firefox from your computer

Firefox has ended support for Windows XP and Vista

Switch from Chrome to Firefox

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

Install an older version of Firefox

Run Firefox on ChromeOS

I found a fake Firefox update

Troubleshoot Firefox updates and the Helper tool

Recover user data missing after Firefox update

Windows in S mode won't let me install Firefox

Switch to Firefox Extended Support Release (ESR) for personal use

What is the Mozilla Maintenance Service?

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

Importing Safari data into Firefox

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

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

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

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

Firefox update notifications on Windows

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

64-bit Firefox crashes with Citrix's XenApp VM

Supported platforms and system requirements

Firefox release notes - What's new and known issues

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