Flying
Click look around · Esc let go of the mouse
E / D forward / back · W / R strafe
J or Space / C up / down
Shift fast · Wheel zoom
Y / ShiftY faster / slower all the time
G fly through walls
Walking
` drop to the ground from the camera and walk, or fly again
E / D run / backpedal · A / S turn
W / R strafe · J or Space jump
Drag with the left button to turn the camera; hold the right button to turn yourself too; both buttons run
Wheel zoom · \ or numpad / walk / run
In water: J or Space / X up / down; jump at the surface to jump out
1 … 0 emotes (set in the Emotes menu) · with Shift, over and over
Going places
/ go to a zone, town, dungeon or raid
Click the minimap to fly there
O whole world · 1 / 2 continents (when flying)
Home back to the start
Click the coordinates to copy a link to the view
The world
T / Shift+T later / earlier · N local time
L torch · V grass and flowers
B colour grading · X shadows (when flying) · Z fog
F name colours for Alliance or Horde
I dungeon and raid names · M music and sound
H highlight chests, herbs, ore, fishing pools or anything by name
Tab world map · Esc off a flight
Screen
Click creatures and objects for their details
P screenshot, everything in view in full detail
Ctrl + 1 to 9, then 0: switch game version, in the Game version menu's order
U hide the interface · K performance stats · F9 save a debug log
? or F1 this list
Everything here is also in the menus along the top.