Full Screen
MacOS has built in screenshotting functionality.
1
Press the Command, Shift, and 3 keys.
2
Your screenshot can be found on the desktop.
Partial
MacOS has native region screenshotting, allowing you to select an area to capture.
1
Press the Command, Shift, and 4 keys.
2
Click and drag to select the area to capture.
3
Your screenshot can be found on the desktop.