Rotate the camera: .......................................... left click + drag mouse
Toggle lighting on/off in current room: ..................... L
Select object: .............................................. right click
Deselect object: ............................................ right click on walls, lamps, windows, floor or ceiling
Move forward: ............................................... W
Move backward: .............................................. S
Move to the right: .......................................... D
Move to the left: ........................................... A
Shift object left: .......................................... left arrow
Shift object right: ......................................... right arrow
Shift object forward: ....................................... up arrow
Shift object backward: ...................................... down arrow
Shift object up: ............................................ page up
Shift object down: .......................................... page down
Rotate object on camera up axis, anti-clockwise: ............ R + right arrow
Rotate object on camera up axis, clockwise: ................. R + left arrow
Rotate object on camera right axis, anti-clockwise: ......... R + down arrow
Rotate object on camera right axis, clockwise: .............. R + up arrow
Rotate object on camera front axis, anti-clockwise: ......... R + page down
Rotate object on camera front axis, clockwise: .............. R + page up