Quick Keys (for PC users)

New Canvas:	CTRL-N
Open Image:	CTRL-O
Save Image:	CTRL-S
Close Image:	CTRL-W
Undo:	CTRL-ALT-Z
Redo:	CTRL-SHIFT-Z
Cut:	CTRL-X
Copy:	CTRL-C
Paste:	CTRL-V
Zoom In/Out:	CTRL + or CTRL -
Constrain Proportions:	SHIFT
Paint in straight lines:	SHIFT
Accept crop:	Enter or double click
Accept transform:	Enter or double click
Duplicate layer:	CTRL-J
Group layers:	CTRL-G
Ungroup:	CTRL-SHIFT-G
Select Inverse:	CTRL-SHIFT-I

* Hold SHIFT to add to and ALT to subtract area from selection