yeah, the black rubber bit you see comes off if you gently pry up the edge and kinda roll it to pull it off. It just fits onto the edge of the glass. be very careful, especially in the corners, as they are definitely not available new. you might need to scrape the silicone off first of course. what a mess.
To remove the window, Harbor freight sells a tool that is essentially piano wire with 2 handles. poke the wire through and then saw at the urethane glue until the window is free. Then clean off the urethane and reapply it to glue the window back in. You can hold it in place with painter's tape while it cures.
Be very careful not to saw at your interior panels.