What is the use of prtscr key?

The main function of the Prtscr key is to capture the screen. The usage is slightly different under different systems: Windows system: Press once to capture the entire screen. Hold down the Alt key and press simultaneously to capture the active window. Mac system: Hold down the Command⌘, Shift and 3 keys to capture the entire screen. Hold down the Command⌘, Shift and 4 keys and then press Space to capture the active window. Other functions: The prtscr key can also perform other operations under certain circumstances, such as scrolling screenshots, custom hotkeys, etc.

The function of prtscr key

The prtscr key, the full name is Print Screen, is a function key whose main function is Take a screenshot.

Detailed instructions:

Different uses of the prtscr key depend on the type of computer system and the settings for the specific key:

• Windows system:

  • Only capture the entire screen: Press the prtscr key once and the screenshot will be automatically copied to the clipboard. This can then be pasted into image editing software or other applications.
  • Capture the active window: Hold down the Alt key and the prtscr key at the same time to take a screenshot of the current active window only and copy the screenshot to the clipboard.

• Mac system:

  • Capture the entire screen: Hold down Command⌘ and Shift at the same time and 3 keys, the screenshot will be automatically saved to the desktop.
  • Capture the active window: Press and hold the Command⌘, Shift and 4 keys at the same time, then press and hold the space bar, the cursor will change to the camera icon. Move your cursor over the window you want to capture and click to capture a screenshot of that window.

Other functions:

In some cases, the prtscr key can also perform other functions:

• Scrolling screenshot: In some newer operating systems, continuously pressing the prtscr key can take continuous scrolling screenshots. This is useful for capturing long web pages or documents.
• Custom Hotkeys: The prtscr key can be customized through third-party software to perform other actions when pressed, such as launching a specific program or recording a screen video.

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