At the bottom of the window there is 6 plastic screw rivet that holds it in place, anyone knows where to get those or dealer only? They look something like 7mm x 23 mm

[2015 Z Force 800 53/Trail EPS]

Post a pic when you can. No windows I know of use and kind of retainers at the bottom but I have not seen a CFM rear window. CFM does use a push-pin for the rest of their panels but they are 7.5mm. We all use these 8mm push pins for replacements as they are more cost effective and do hold better.

https://www.amazon.com/GOOACC-Retainer-Fastener-Scrambler-Sportsman/dp/B008427D88?ie=UTF8&psc=1&redirect=true&ref_=oh_aui_detailpage_o04_s00