The procedure for creating a screenshot on a computer depends on what type it is: either it is a PC (runs on Windows) or a MacBook (runs on MacOS).
Press the keys + PrtScr. In some cases, this may not work and you need to press the keys + Ctrl + PrtSrc and + Fn + PrtScr.
We have already written in detail about how to take screenshots of the desired areas or windows on computers with Windows here.
1. To take a screenshot of the entire screen, simultaneously hold down the keys ⇧ (Shift) + ⌘ (Cmd, Command) + 3 and hold them.
2. If a thumbnail image appears in the lower right corner, you can edit the resulting screenshot by clicking on the thumbnail. Or wait for the screenshot to appear on the desktop.
For more information on how to take screenshots of the desired areas or windows of MacBook it is written here.