Q: What are the default key bindings?

A: All of the newer games use the following key bindings:

Movement: WASD
Jump: Space
Sprint: Shift
Interact: E
Inventory: I
Next dialogue line: Space
Menu: Esc

Some NPCs require an item to be interacted with. To give an item to an NPC, open the inventory ("I") when you see a trigger on the bottom right of the screen, choose the item and then click the "Use" button in the inventory.