What’s it called on my Mac? compares and contrasts Windows and Mac terms. It also explains how to get system information, eject things (like usb drives), and more!
Get to know the Mac desktop At the top of the screen is the menu bar and at the bottom is the Dock. In between is what’s called the desktop. The desktop is where you do your work.
What’s in the Apple menu on Mac? The Apple menu
is located in the top-left corner of your screen. Click it to access System Settings and recently used apps, documents, and other items.
Time Machine keeps a copy of all your files, and it remembers how your system looked on any given day.
Looking for Windows File Explorer? Learn about the Finder.
Looking for the Control Panel? Use System Settings (or System Preferences) instead.
Use the volume control in the menu bar or Control Center, or use the volume keys on your Apple keyboard.
Buttons for closing, minimizing, and maximizing a window are in the upper-left corner of the window.
Use Spotlight to quickly find and open apps, documents, and other files.
To find and open your apps (programs), you can use Spotlight or the Dock. You can also open apps from the Applications folder on Macintosh HD. To quickly access the Applications folder, click Applications in the sidebar of any Finder window, or use the Go menu in the Finder menu bar.
Preview most files on your Mac using Quick Look. Click the file once to select it, then press Space bar.
Click the file once to select it, then press the Return key and type a new name. Press Return when done.
Click the right corner of your Apple mouse, or click with two fingers on your Apple trackpad. You can change this in Mouse settings and Trackpad settings.
Settings for scroll direction, swipe gestures, and button assignments are also in Mouse and Trackpad settings. To get to those settings, use the Apple menu and select System Settings (on older Macs this was called System Preferences).
Looking for the Recycle Bin? Use the Trash, which is in the Dock.
Use Control Center on Mac Control Center on Mac gives you quick access to key macOS settings—such as AirDrop, Wi-Fi, or Focus. You can customize Control Center to add other items, such as accessibility shortcuts, battery status, or fast user switching. You can also drag items to the menu bar.
Many Mac keyboard combinations use the Command (⌘) key. Learn more keys and keyboard shortcuts

Command-W
Command-C
Command-X
Command–Space bar
Fn-Delete
Note: Option-Fn-Delete deletes the whole word forward.
Command-V
Command-P
Command-Q
Command-A
Command-Tab
Note: Shift-Command-4 captures an area, not the whole screen. Shift-Command-5 gives you more options.
Command-Z
For more information to help you get to know your Mac, use the Help menu in the Finder menu bar.
