Make Firefox your default browser

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  • Revision id: 94422
  • Created:
  • Creator: Joni
  • Comment: fixed bullet
  • Reviewed: Yes
  • Reviewed:
  • Reviewed by: heyjoni
  • Is approved? Yes
  • Is current revision? No
  • Ready for localization: No
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If you have more than one web browser, your computer needs to know which browser to use by default. This article will show you how to make Firefox your default browser.

  1. In the Menu bar at the top of the screen, click Firefox and select Settings (select Preferences on older macOS versions).Click the menu button Fx89menuButton and select Settings.
  2. Select the Advanced panel, click the General tab, and then click Check Now.Default - WinDefault - MacDefault - Lin
  3. Select Yes to set Firefox as your default browser.

    Setting Firefox as Default (Linux-Ubuntu)

  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 select Settings (select Preferences on older macOS versions).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 select Settings (select Preferences on older macOS versions).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 select Settings (select Preferences on older macOS versions).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 select Settings (select Preferences on older macOS versions).Click the menu button Fx89menuButton and select Settings.
  2. Select the General panel, and then click Make Firefox My Default Browser.
    Fx34OptionsGeneral-Win8
    The Set Default Programs window will open.
  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. Settings
  2. Click the General panel, and then click the Make Default button.
    default fx38
Note: MSN Messenger and other applications may open Internet Explorer regardless of which browser is the default. Also, Internet service providers like PeoplePC Online, Juno and NetZero may provide connection software that automatically launches Internet Explorer.


To set another browser as the default, use the settings in the browser you wish to be your default.




Based on information from Default browser (mozillaZine KB)