Controls

Commands
Orbit/Camera control 	RMB 	+ W A S D (+ shift, moves faster, "run") 	+ Q E
Select object 	LMB 	Click (+ shift, multiple objects can be selected)	Dragging square with LMB over the objects will select every object in area
Deselect 	RMB 	LMB (Have to use unclickable area) 	
Zoom to object 	F 	 	
Undo/redo 	CTRL 	+ Z ( + shift, to redo) 	
90 degree rotation 	T (green axis)	+ Shift (blue axis) 	+ Alt (red axis)
Delete object(s) 	X 	or Delete button 	
Duplicate 	CTRL 	+ D 	or + C
Gizmos 	W 	E 	R
Toggle UI 	Space 	 	
Save 	CTRL 	+ S 	
Snapping during moving or rotating object	CTRL (hold) 	 	
Testing from camera position 	CTRL 	+ Test run button 	
All these commands are default in editor. You can change them how you prefer them.