If a buy a second Mac book pro, can I use my same Apple id?
If I buy a secon Mac book pro, should i use my same Apple id ?
What if later i decide to sell the first one?
MacBook Pro, System version : Mac OS X 10.5.8 (9
You should use the same ID on all machines to have access to your purchases. If you sell one, look for the option (menu item iTunes>Store>Deauthorise This Computer) to deauthorise that computer so the new owner has no access.