i have an old laptop of my brother in law,its a mac,problem is i dont know how to do anything on it.

question is can i wirelessly connect to my home pc? how??(icons are all different).

there is an orange(mobile co)icon on the screen,do i need to use this for the tinternet ?

whats the story with mobile broadband? can i buy a pay as you go dongle thingy?


sorry for all the questions,i have never realy used a laptop much and never a mac!!