How do I repair and glue the window back in place on the Riot Intrigue?

How do I repair and glue the window back in place on the Riot Intrigue?



The material of the window is plexiglass and the size is 1220*2440*4mm (if needed to replace it) 

To seal it you can use the glass glue to seal the window.:  Glass Glue, Adhesive for Acrylic, for bonding Between Glass, Acrylic and Other Material 

Such product can be found at a Hardware store or online for example on Amazon