Viewport
Movement
To move the work camera around in the viewport, click (and hold) the right mouse button and drag the cursor around. As long as you are holding down the mouse button, you can move around with WASD. To move slower or faster, you can also hold the alt- or shift-key respectively.
Viewport Modes
Select 
While in Select mode, you can simply left-click an actor to select them, which is indicated by a blue outline around the object. The actor will also be selected in the actor editor.
You can select multiple actors by holding the ctrl-key. To deselect an actor, hold the alt-key. If you right-click a selected actor, you get a number of actions you can perform:
- Edit Material: Opens the specified material in the material editor for quick changes.
Move 
Rotate 
Scale 
Actor Placement via Browser
Smart Move
Camera Linking
Transform Tools
Camera Tools
Tone Mapping / VR / etc
Actor Selection
