Hi, I just received a mac from my brother he was no longer using. I have only used PCs until now. Many of the desktop icons are missing, such as itunes and firefox. How do I restore these? I also have pictures and music saved on an external hard drive I would like to import to the mac but don't know how. When I click on the icon to my itunes library on my hard drive, the itunes icon appears on the bottom menu and I am asked to agree to the software license agreement. It then says "the folder 'itunes' cannot be found or created, and is required. The default location for this folder is inside the music folder." Where is this music folder and how do I get past this? I appreciate any advise! Thanks!