Make Firefox the default browser

i surf a lot and keep a lot of tabs open and shuttle between lots of apps. so if i get a link is some other app i would want that the link opens in firefox and in a new tab. this is how u can set that up

A) set up firefox to open new link in a new tab in the current window of firefox.

Tools > Options > Tabs



B) set up firefox to be the default browser

Tools > Options > General