How to make Firefox the default browser

If you have more than one web browser, WindowsOS Xyour operating system needs to know which browser to use by default. This article will show you how to make Firefox your default browser.

Watch a video of these instructions

1. At the top of the Firefox windowOn the menu bar, click on the ToolsFirefoxEdit menu, and select Options...Preferences....
2. Select the Advanced panel, then click the General tab, and then click Check Now.
   
   
   
   
   
   
3. Select Yes to set Firefox as your default browser.
   • If Firefox still isn't the default browser, see Setting Firefox as the default browser does not work.

Windows:

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.