How To Adjust The Display Size
Windows
Increase Display Size
Hold down the control key and press the plus key. Alternately, you can hold down the control key and scroll the mouse wheel upwards.
+ 
or
+ 
Decrease Display Size
Hold down the control key and press the minus key. Alternately, you can hold down the control key and scroll the mouse wheel downwards.
+ 
or
+
Mac
Increase Display Size
Hold down the command key and press the plus key.
+ 
Decrease Display Size
Hold down the command key and press the minus key.
+ 
NOTE: The above instructions will work on modern versions of Windows and Mac (and easily several versions back), but it is possible they may not work if your computer is older.
