Default browser – MozillaZine Knowledge Base
Setting default browser manually
You can set the default browser in Windows 2000 (SP3 ) Windows XP (SP1 ) and Windows Vista using the “Set Program Access and Defaults” feature (renamed “Set Program Access and Computer Defaults” in Windows Vista). [2]
* Windows 2000: “Start -> Control Panel -> Add or Remove Programs -> Set Program Access and Defaults”
* Windows XP: “Start -> Control Panel -> Add or Remove Programs -> Set Program Access and Defaults -> Custom”
* Windows Vista: “Start -> Default Programs -> Set Program Access and Computer Defaults -> Custom” [3]

