Make Firefox your default browser

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  • Creator: Joni
  • Comment: updated screenshots
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If you have more than one web browser installed, links you click will automatically open in your default browser. This article shows you how to make Firefox your default browser.

  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. Select the Advanced panel, click the General tab, and then click Make Firefox the default browser.
    Default - Win - Fx15Mac OSX - Advanced- General - Set Default - FF17Default - Lin - Fx15
  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. Select the Advanced panel, click the General tab, and then click Make Firefox the default browser. The Set Default Programs window will open.
    Default - Win8
  3. 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
  4. 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. Select the General panel, and then click Make Firefox My Default Browser.
    Fx34OptionsGeneral-Win7Fx34GeneralPanel-MacFx34GeneralPanel-Lin
  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. Select the General panel, and then click Make Firefox My Default Browser.
    Fx34OptionsGeneral-Win8
  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. Select the General panel, and then click Make Default.
    default 38
  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. Select the General panel, and then click Make Default.
    default 38
  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.

Based on information from Default browser (mozillaZine KB)

  1. Click the menu button The image "new fx menu" does not exist., then choose Options.
  2. In the General pane, click Make Default.
    default 38
  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.

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

Alternatively you can also use the new Settings App in Windows 10 to set Firefox as default browser on your system:

  1. Go to the Start menu and click the Settings icon.
  2. Click System, 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.
  1. Click the menu button The image "new fx menu" does not exist., then choose Options.
  2. In the General pane, click Make Default.
    default 38
  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.
    fx default win10
Note: To change your default to another browser, see the support documentation for that other browser.