Firefox
Firefox
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This article explains how to install Firefox on Windows, either with a simple online installer from Mozilla, or from the Microsoft Store.
- If you need a full, offline installer with custom options, see Custom installation of Firefox on Windows.
- To update Firefox from a previous version, see Update Firefox to the latest release.
This article only applies to Windows. For instructions to install Firefox on Mac, see How to download and install Firefox on Mac.For instructions to install Firefox on Linux, see Install Firefox on Linux.
Table of Contents
Install from Mozilla's download server
Before installing Firefox, see the Firefox System Requirements to make sure that your computer has the required operating system and recommended hardware.
To install Firefox on your computer:
- Visit this Firefox download page in any browser, such as Microsoft Edge.
- Click the button. The Firefox Installer that downloads will automatically offer you the best available version of Firefox for your computer.
Windows 10 may show you a warning when installing apps that aren't from the Microsoft store. See Windows 10 warns me to use a "Microsoft-verified" app for more information.- Click Open file in the Downloads notification on Microsoft Edge to start the process.
- In other browsers, you may need to first save the Firefox installer to your computer, then open the file you downloaded.
Note: If you see an Open File – Security Warning dialog, click or .
- The User Account Control dialog may open, to ask you to allow the Firefox Installer to make changes to your computer. If this dialog appears, click to start the installation.
- Wait for Firefox to finish installing.
- When the installation is complete, Firefox will open.
Note: A notification bar with a button may be shown at the top of the page, if Firefox was previously installed. See Refresh Firefox - reset add-ons and settings to learn more.
Congratulations, you are done installing Firefox!
Double-click the Firefox icon that was placed on the desktop whenever you want to start Firefox.
Install from the Microsoft Store
Installing Firefox from the Microsoft store requires Windows 10 or Windows 11.
- Click on the Windows icon located on the taskbar.
- Type Microsoft Store.
- Select the Microsoft Store from the results. This will take you to the Microsoft app store.
- Type Firefox in the search bar and press Enter.
- Select Mozilla Firefox from the applications available.
- Click to start the installation process.
To learn more, see Download Firefox on Windows from the Microsoft Store.
Having problems?
Here are some articles that can help you:
- Make Firefox your default browser
- Firefox won't start - find solutions
- Troubleshoot and diagnose Firefox problems
- Why do I get a harmful download message when downloading Firefox on Windows?
If you need more help, you can always get community support.
