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.




Firefox v42 via browser settings

  1. Click the menu button


  2. Click the options button

  3. Click the Advanced Tab

  4. Click the "Make Firefox the default browser" button

  5. Click Ok



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Firefox v43+ via browser settings


  1. Click the menu button new fx menu , then choose Options.
  2. In the General panel, 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

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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 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.
Note: To change your default to another browser, see the support documentation for that other browser.



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Windows 7 and Vista through Control Panel

  1. Click on the Windows logo to open the Start menu, then select Control Panel. The Control Panel window will open.
  2. Click on the link labeled Programs. The Programs panel will open. 

    113f7b1b820e1b71faeb5aa77e042443-1259804950-833-1.png 
  3. Click on the link labeled Set your default programs. The Set your default programs panel will open. 

    113f7b1b820e1b71faeb5aa77e042443-1259801252-815-1.png 
  4. In the Programs list on the left side of the window, click Firefox.
  5. In the right side of the window, click Set this program as default

    113f7b1b820e1b71faeb5aa77e042443-1259530556-775-4.png



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Windows 7 and Vista through the Start Menu


  1. Click the start button and then the Default Programs button in the start menu


  2. Click the "Set your default programs" link


  3. Click on Firefox in the programs list


  4. Click the "Set this program as default" button


  5. Click the Ok button


https://support.mozilla.org/en-US/kb/make-firefox-your-default-browser