tinnerjohn Is pretty much spot on. My 52 was a booger to begin with but after taking it out and in for various reasons I got pretty good at it. Follow the shop manual instructions and if you don't have one the online manual link is listed in the tech tips.
I do remember that once I got the wing vent down in the door that I had to "twist" it a little to get the window glass to go in the channel.

This should help you find what you need.
http://chevy.oldcarmanualproject.com/shop/1954truck/54ctsm0108.html


1937 Chevy Pickup
In the Gallery
1952 Chevy Panel
In the Gallery
More photos
1950 Chevy Coupe
Pictures!

I'd rather walk and carry a Chevy hub cap than ride in a Ferd.
I can explain it to you, but I can't understand it for you smile