How to make a Print Screen (Mac OS X)
As the keyboard for a MAC OS X operating system is not similar to a Windows’ keyboard, the way you will make a screen capture will also be different.
1. Press and hold the Apple key+ Shift+ 4.
2. Once you release the keys, your mouse cursor should have changed to a + symbol
3. If this is the case, press the space bar once to turn the + symbol to a camera icon.
4. You can now use this camera to choose what you want to capture by mouse clicking once on the desired section of the screen.
5. The picture file will automatically save on your desktop.
6. You can now make all the desired changes in your graphic editing program (crop, change the size, colour, add text and graphics etc…)
Depending on the screenshot that you have taken, a print screen of your desktop could look like this: