Set the default browser in window XP

Windows XP

1. Click the Start button, then click on the Control Panel icon to open the Windows Control Panel.
2. Click the Add or Remove Programs icon to open the Add or Remove Programs applet.
On the left side of the Window click the Set Program Access and Defaults icon.
3. In the Access and Defaults window, click on the Custom radio button to expand the Custom category.
4. Underneath Choose a default Web browser click the radio button next to Mozilla Firefox.
5. Click OK at the bottom of the window.