buy a new window
usually by replacing window regulator.
change the window seal / gasket.
you need to replace the window regulator
You can purchase a repair car window kit that has the instructions on how to fix your crack. If you have insurance however, I would recommend getting a repair shop to fix it since it is covered on your isnurance.
you'll need to put in new bushings
Hold down the child lock when you press the button to raise the window.
You will have to have the window tint redone. Find a local tint shop with a good reputation.
If its an automatic window, then the motors may be about shot. If its a manual window, have the tracking checked, it may be slipping off track.
Either replace the belt, or go down to an auto store and purchase some belt dressing.
because he had a squeeky voice once and he kinda still has it