Mac has a function called screenshot that captures and saves what is displayed on the screen as an image. Try pressing the shortcut key [command + shift + 3].
screenshot shortcut key
copy the screenshot
screenshot window without shadow
shortcut key
Always screenshots without shadows
Turn off the screenshot sound effect (kasha♪)
Rename screenshot image file
Set screenshot image with/without date
Change where screenshots are saved
Change screenshot image file format
Include mouse pointer in screenshot image
Take a screenshot of the login screen
Initialize (reset) screenshot settings
How to Take a Mac ScreenshotSummaryMac Save Screenshot to Clipboard and Copy and PasteMac Taking Screenshots without ShadowsMac Change File Format of Screenshot ImagesChange Mac Screenshot File NameSave Mac Screenshot Change Destination MacTake a Screenshot Including the Mouse PointerTake a Screenshot of the Mac Login ScreenTake a Screenshot of the Mac Screenshot/Turn Off Trash Sound EffectsMac ScreenshotsSave Images to DropboxMac Settings and UsageSummary
