Valheim's input system has the following key bindings:

Key	Default Binding	Axis	Inverted
Attack	Mouse0		False
SecondAttack	Mouse2		False
Block	Mouse1		False
Use	E		False
Hide	R		False
Jump	Space		False
Crouch	LeftControl		False
Run	LeftShift		False
ToggleWalk	C		False
AutoRun	Q		False
Sit	X		False
GPower	F		False
AltPlace	LeftShift		False
Forward	W		False
Left	A		False
Backward	S		False
Right	D		False
Inventory	Tab		False
Map	M		False
MapZoomOut	Comma		False
MapZoomIn	Period		False
BuildPrev	Q		False
BuildNext	E		False
BuildMenu	Mouse1		False
Remove	Mouse2		False
JoyUse	JoystickButton0		False
JoyHide	JoystickButton9		False
JoyJump	JoystickButton1		False
JoySit	JoystickButton2		False
JoyGPower	None	JoyAxis 7	True
JoyInventory	JoystickButton3		False
JoyRun	JoystickButton4		False
JoyCrouch	JoystickButton8		False
JoyMap	JoystickButton6		False
JoyMenu	JoystickButton7		False
JoyBlock	None	JoyAxis 3	True
JoyAttack	None	JoyAxis 3	False
JoySecondAttack	JoystickButton5		False
JoyAltPlace	JoystickButton4		False
JoyRotate	None	JoyAxis 3	True
JoyPlace	None	JoyAxis 10	False
JoyRemove	JoystickButton5		False
JoyTabLeft	JoystickButton4		False
JoyTabRight	JoystickButton5		False
JoyLStickLeft	None	JoyAxis 1	True
JoyLStickRight	None	JoyAxis 1	False
JoyLStickUp	None	JoyAxis 2	True
JoyLStickDown	None	JoyAxis 2	False
JoyButtonA	JoystickButton0		False
JoyButtonB	JoystickButton1		False
JoyButtonX	JoystickButton2		False
JoyButtonY	JoystickButton3		False
JoyDPadLeft	None	JoyAxis 6	True
JoyDPadRight	None	JoyAxis 6	False
JoyDPadUp	None	JoyAxis 7	False
JoyDPadDown	None	JoyAxis 7	True
JoyLTrigger	None	JoyAxis 3	True
JoyRTrigger	None	JoyAxis 3	False
JoyLStick	JoystickButton8		False
JoyRStick	JoystickButton9		False

Displaying keybindings

You can display keybindings by using the $KEY_ prefix in the localization: Localization.instance.Localize("$KEY_Use"); will return "E" by default.