Make Firefox your default browser

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  • Revision id: 228099
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  • Creator: Julie
  • Comment: Adding a section for Firefox version 91 using {for}. Added a table of contents. Checked for spelling.
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If you have more than one web browser installed, any links that you click on will automatically open in your default browser. This article shows you how to make Firefox your default browser.

Go Through Settings (or Options for older versions) in Firefox

You will choose Options for Firefox version 89 and older. You will choose Settings for newer versions.

  1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button Fx89menuButton and select Settings.
  2. In the General panel, click Make Default….
    Fx67GeneralPanelStartup-MakeDefault
  3. Close the Settings page. Any changes you've made will automatically be saved.
  1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button Fx89menuButton and select Settings.
  2. In the General panel, click Make Default….
    Fx67GeneralPanelStartup-MakeDefault
  3. The Set Default Programs window will open.
  4. In the Set Default Programs window, select Firefox from the list of programs on the left and click Set this program as default. Then click OK to close the window.
    Default - Win8 pt 2
  5. Close the Settings page. Any changes you've made will automatically be saved.

  1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button Fx89menuButton and select Settings.
  2. In the General panel, you will find the default browser setting in the Startup section at the top of the page.
    Firefox90GeneralPanel
  3. Click the Make Default… button. Firefox will do everything for you in the background.
    Note: If Firefox is already your default browser, the Make Default… button will be missing and it will say that Firefox is currently your default browser.
  4. Firefox is now your default browser.
    Firefox90NowDefault
  1. In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button Fx89menuButton and select Settings.
  2. In the General panel, click Make Default….
    Fx67GeneralPanelStartup-MakeDefault
  3. The Windows Settings app will open with the Choose default apps screen.
  4. Scroll down and click the entry under Web browser.
    default apps win10
  5. Click on Firefox in the dialog that opens with a list of available browsers.
    firefox default 10
  6. Firefox is now listed as your default browser. Close the Settings window to save your changes.

Use the Settings app in Windows 10 to change your default browser

Alternatively, you can open the Settings App from the Windows 10 Start menu to set Firefox as the default browser:

  1. Go to the Windows Start menu and click the Settings icon.
  2. Click Apps, then choose Default Apps on the left pane.
  3. Scroll down and click the entry under Web browser.
    default apps win10
  4. Click on Firefox in the dialog that opens with a list of available browsers.
    firefox default 10
  5. Firefox is now listed as your default browser. Close the Settings window to save your changes.
Note: To change your default to another browser, see the support documentation for that other browser.



Based on information from Default browser (mozillaZine KB)