Navigating on PC:

Orbit- Left click, hold and drag mouse

Zoom- Scroll wheel in and out OR arrow up/down & S/W keys

Pan- Right click, hold and drag mouse OR arrow right/left & D/A keys

Anchor point- Double click (left)

Navigating on touch:

Orbit- One finger tap and drag

Zoom- Two finger pinch

Pan- Two/three finger drag

Anchor point- Double tap