How to assemble & install 4 retractable blades decorative crystal chandelier ceiling fans

42 Inch Crystal Retractable ceiling fan light with remote control, 3 LED colors changed & 3 speeds.
The below links are our Amazon store and products.
https://www.amazon.com/s?me=A1M90X6EN...
https://www.amazon.com/dp/B07YY2HRVP
The installation method of this invisible ceiling fan light is the same as that of many other models.

Features
Dimension: Dimension of shade: D42 " when opened, diameter 19.5” when closed. Height is from 17'' to 23''. Two down-rods with the length 4.7" and 9.8" adjustable
Lamping: LED chip, 32W, Not dimmable, with 3 different lights: 3000K(warm light), 4000K(neutral light), 6000K(white light)
Switched off, the traditionally intrusive fan blades automatically retract and conceal
Remote Control: Control speed with 3 modes (Low, median, high) and turn on / of switch for the light