Ford F150 Power windows not working

First check fuse, the big 30 fuse in the engine compartment. 




There is a relay in the fuse box under the dash that controls power to
the windows, but it also supplies power to the door locks and radio. Are
these two things working properly? 



If yes then relay is most probably ok.




OTHER POSSIBILITY TO CHECK




There is a large circuit breaker in the fuse box near the center more