Dual-classing rules in the books are very light. This page solidifies them a bit.^Ex We haven't properly playtested dual-classing yet, though we expect to have some dual-classing happening soon. We'll solidify the rules a bit by then.

• Characters can only dual-class after reaching 2nd level or higher in their current class. Therefore, a character cannot dual-class at character creation.
• There is no additional downtime or training time to switch classes.¹⁾