How to Install Mozilla Firefox on Windows 11

Installing Mozilla Firefox on your Windows 11 computer is a straightforward process. Follow these steps to download and install the browser:

Step 1: Open Microsoft Edge

  1. Click on the Start menu (Windows icon) at the bottom-left corner of your screen.
  2. Type "Microsoft Edge" in the search bar.
  3. Click on Microsoft Edge to open the browser.

Step 2: Go to the Mozilla Firefox Download Page

  1. In Microsoft Edge, go to the address bar at the top of the browser window.
  2. Type and press Enter.

Step 3: Download Mozilla Firefox

  1. Once you are on the Mozilla Firefox download page, click on the Download Firefox button.
  2. The download will start automatically. If prompted, click Save to save the installation file to your computer.

Step 4: Run the Installer

  1. Once the download is complete, click on the Firefox Installer.exe file at the bottom of the Microsoft Edge browser window. If you don’t see it, you can find it in your Downloads folder.
  2. If a User Account Control prompt appears asking if you want to allow this app to make changes to your device, click Yes.

Step 5: Install Mozilla Firefox

  1. The Firefox installer will open and begin installing the browser. This may take a few minutes.
  2. Once the installation is complete, Mozilla Firefox will open automatically.

Step 6: Set Mozilla Firefox as Your Default Browser (Optional)

  1. When Mozilla Firefox opens for the first time, it will ask if you want to set it as your default browser. Click Set as Default if you wish to make Firefox your default web browser.
  2. You will be redirected to the Default apps settings in Windows 11.
  3. Scroll down to Web browser and click on the current default browser (likely Microsoft Edge).
  4. Select Mozilla Firefox from the list of browsers.

Step 7: Sign in to Mozilla Firefox (Optional)

  1. If you have a Firefox account, you can sign in to sync your bookmarks, history, passwords, and other settings across all your devices.
  2. Click on the Menu button (three horizontal lines) at the top-right corner of the Firefox window.
  3. Click Sign in to Firefox and follow the prompts to sign in with your Firefox account.


You have successfully installed Mozilla Firefox on your Windows 11 computer. You can now start browsing the web using Firefox and take advantage of its features and extensions.