Turn off the water supply if possible
Place a towel or rag in the tub to protect the surface
Check the spout for a set screw underneath or on the side
Loosen the set screw with the correct Allen wrench or screwdriver
Pull the spout straight off the pipe
If there is no set screw, look for a threaded spout
Turn the spout counterclockwise to unscrew it
Use a strap wrench if the spout is stuck
Remove any old plumber’s tape or debris from the pipe
Inspect the pipe and threads before installing a new spout