To	Press these keys
	On a Mac computer	On a window's computer
Zoom in on an image	Select the Zoom tool, and then click the part of the image that you want to zoom in on.	Select the Zoom tool, and then click the part of the image that you want to zoom in on.
Zoom out on an image	Select the Zoom tool, press and hold the Option key, and then click the part of the image that you want to zoom out on.	Select the Zoom tool, press and hold the Ctrl key, and then click the part of the image that you want to zoom out on.
Copy the text (or a selected portion of the text)	+C	Ctrl+C
Paste copied annotation text into the selected annotations	+V	Ctrl+V
Cut the text (or a selected portion of the text) from annotations.	+X	Ctrl+X
Undo the text from annotations.	+Z	Ctrl+Z
Exit Full Screen mode	Esc	Esc