If you re working from the attic you can drop a weighted string down wall cavity then attach the wire to the string and pull it through.
Running wires without attic.
The actual install of recessed lights here https youtu be 5yc8aqnvqqg the long bit is actually used.
Then run the wire and cover it with a nail plate.
Yes this should be corrected and it would be good to have the wiring and all the circuit connections inspected as well.
The following links will assist you with your electrical question.
Running wires without attic or basement.
The staple gun should be loaded with wire staples designed for holding the size and type of wire you are running.
Attach the wire or cable to a fish tape or coat hanger using electrical tape and feed it into the hole until it reaches the opening at the other end.
While one person holds the flashlight the other person should use a staple gun to run the wire along the rafters from one entry hole to the other.
Running wires inside rigid conduit.
Run the wire or cable to its destination.
Watch the entire process step by step.
Rigid conduit with an outside diameter of 3 4 in and a fish tape long enough to reach through the buried pipe.
Calculate the proper amount of wire and the most expedient routes for the circuits.
To run the wires inside rigid conduit you ll need a hacksaw a pipe bender capable of bending 1 2 in.
If you don t want to remove drywall then you ll be running most of the wires through the attic or the crawl space.
Bring all of the wire up into the attic.
Converting an attic to a bedroom and bath.