look through the diy guides, there are some for converting a 96-98 climate control to a 99-00 and also some for changing the lights to different colors
this shows all the steps to pulling it apart and how the lights fit in as well

for the windows its a very common problem for them to fall off their tracks, take the door panel off and you can fix the window, lube it and hope it stays put for a while before it falls back off