Very lightly run the rope over a friction point to loosen any fibres.
This can be done with passing the rope around a carabiner, towel rail, bed post, or any fixed point.
Cross the rope over itself a few times and gentle pull the rope through itself. This will remove any loose fibres from the manufacturing process and will fluff up the rope a bit.
Important: Don’t force it, lightly done is fine. And rope fibres can go everywhere, so pop a mask on.