Look for dry branches and a small stone. With an empty hand, collect one branch from a conifer or deciduous tree in 5 seconds without felling it. Each crown provides a branch once.
For your first campfire, choose free dry ground and a stack of at least three branches in a quick slot. Hold placement for 60 seconds to light it without a torch.
Watch your fullness and gather food. A stone and branch make a stone axe; charcoal and a branch make a torch. See crafting for recipes.