Is there a specific way to capture a part of your screen with QuickTime Player?
Recording a selected part of your screen is very easy.


Open Quicktime (if you get a Finder window, select Done)
Select File -&gt; New Screen Recording
Click the Record button on the small popup window
You'll see a screen overlay message like this:

Drag the cursor around the part of the screen to record
Click Stop to end the recording.