If you are on Windows (top picture):

• Find the CTRL (control) button. There's one on the bottom left and one on the bottom right sides of your keyboard!


• Press and hold the CTRL button and press the Z button. This is the shortcut for undo.

If you are on a Mac (bottom picture):

• Find the Command button. There's one on the bottom left and one on the bottom right sides of your keyboard


• Press and hold the Command button and press the Z button. This is the shortcut for undo.

Using this undo shortcut is like rewinding time. You can undo lots of mistakes but there is a limit!

Pro Tip:

The shortcut to redo is: CTRL + Y on Windows and
Command + Shift + Z on Macs.