Copy + Paste
PC: CTRL + C / CTRL + p
MAC: CMND + V / CMND + P
Undo
PC: CTRL + Z
MAC: CMND/CTRL + Z
Select Multiple Elements
PC: CTRL + HOLD + select multiple elements
MAC: CMND + HOLD + select multiple elements
CMND + A selects everything within a text box
Registered ® Symbol
PC: CTRL+ ALT + R
MAC: OPTION + R
Bullet Points
PC: CTRL + SHIFT + L
MAC: OPTION + 8