Make Firefox your default browser

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.

1. Click the menu button and select ..
2. In the General panel, click .
   • If Firefox still isn’t the default browser, see Setting Firefox as the default browser does not work — What to do.
3. Close the about:preferences page. Any changes you’ve made will automatically be saved.

1. Click the menu button and select ..
2. In the General panel, click .

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 . Then click to close the window.
5. Close the about:preferences page. Any changes you’ve made will automatically be saved.

1. Click the menu button and select ..
2. In the General panel, click .

3. The Windows Settings app will open with the Choose default apps screen.
4. Scroll down and click the entry under Web browser.
5. Click on Firefox in the dialog that opens with a list of available browsers.
6. Firefox is now listed as your default browser. Close the Settings window to save your changes.

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 Apps, then choose Default Apps on the left pane.
3. Scroll down and click the entry under Web browser.
4. Click on Firefox in the dialog that opens with a list of available browsers.
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.

Based on information from Default browser (mozillaZine KB)