Got a new Mac? If this is the first one you’ve ever owned, a hearty congratulations! Your new Mac is easy to use and more powerful than it’s ever been. As easy as the Mac is, doing some things may not be instantly obvious, and you owe it to yourself to make sure you’re getting the most out of your new investment. Here are 10 things that you can do right away that will help you get started down the path toward being a Mac power user. Most of these will cost you absolutely nothing except a bit of time to set up. 1. Set up your Apple IDThere’s a good chance that if you’re buying a Mac for the fir…