Make Firefox your default browser on Windows

Revision Information
  • Revision id: 100776
  • Created:
  • Creator: philipp
  • Comment: changing the for not fx40 section to incorporate last minute win10 changes
  • Reviewed: Yes
  • Reviewed:
  • Reviewed by: heyjoni
  • Is approved? Yes
  • Is current revision? No
  • Ready for localization: No
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This article applies only to Windows 10.
When you upgrade to Windows 10, you may inadvertently reset your default browser to Microsoft Edge. Follow these steps to change your default browser back to Firefox.

Use the Windows Settings app to change your default browser

  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. Tap this button to choose your default browser:
    Replace this with button
  2. On the Default Apps screen, scroll down to Web browser and click its entry. In this case, the icon will say either Microsoft Edge or Choose your default browser.
    default apps win10
  3. In the Choose an app screen, scroll down to Other options, and click Firefox to set it as the default browser.
    firefox default 10
  4. Firefox is now listed as your default browser. Close the window to save your changes.