-N

New Finder window

Shift--N

New folder

Option--N

New smart folder

-O or -↓

Open

Control--O

Open in new window

Option-click File menu

Changes “Open With” to “Always Open With”

-W

Close window

Option--W

Close All

-I

Get Info

Option--I

Show Inspector

Control--I

Summary Info (of selected icons)

-D

Duplicate

-L

Make Alias

-Y

Quick Look

Option--Y

Slideshow (of selected icons)

-R

Show Original (of alias)

-T

Add to Sidebar

Shift--T

Add to Favorites

-Delete

Move to Trash

-E

Eject

-F

Find

Shift--F

Find by Name