Can I get a step by step instructions on how to take drivers side door apart? on 1998 Cadillac DeVille

I need to check the window regulator to see if it's broken... I also need to check the drivers side window switch and motor.
My Drivers side window has the power to go down by something is in the way..

Also I need to check my pssanger side window will not go up! No power as of yet...Id like to check the wires..

Asked by for the 1998 Cadillac DeVille