Get started with your Mac
Sign in with your Apple ID
An Apple ID is the personal account you use to access the App Store, Apple Music, FaceTime, iCloud, and other Apple services. Sign in everywhere with the same Apple ID, and everything stays up to date on all your devices.
Make your desktop your own
Choose the look you want for your wallpaper—from a simple color background to a favorite photo. When you choose aerials, the wallpaper also becomes your screen saver.
Quickly change settings
Control Center gives you instant access to the controls you use the most, like Wi-Fi, sound volume, and display brightness. Just click the Control Center icon 
in the menu bar.
Find and open apps
Your Mac comes with dozens of popular apps already built in. To easily see and open these apps, click the Launchpad icon 
in the Dock.
Find anything with Spotlight
Search with Spotlight 
to quickly find apps, documents, images, and more on your Mac. From the search results, you can link to more info on the web. You can also use Spotlight to do quick conversions or calculations.
Want to learn more? If you just migrated from a PC to a Mac, see Switched from Windows to Mac?