W/S or ↑/↓ — forward / back A/D or ←/→ — strafe left / right Q / E — rotate (yaw) left / right Z / X — move up / down R / F — tilt (pitch) up / down C / V — tilt (roll) left / right H — level the view (clear tilt) Shift — hold to move 4× faster Mouse wheel — dolly forward/back (Viewer mode)