Brightnes from keyboard in win10

Hi i hawe installed fresh windows10 ho know how is driver to install for this keyboard in GemiBook Pro ?? or if its some software , i hawe ubuntu installed in second partition and in ubuntu brightnes work well, only in windows i cant change with F6 and F7

Probably you need to install some ACPI or keyboard driver.
Ask for them at

Chuwi seler told me dont instal other OS use orginal OS i cant use this windows translated its never all translated and at first boot compiuter goes in tilt i waited 40 min and i rebooted him but afther reboot windows ask me password and i dont know how is the password i not created password and account . At this i dont thinked more and i instaled fresh windows 10 downloaded from microsoft work all only this brightnes dont work i foundet driver for micro SD card reader work its only problem push card inside , its not critical but litle mistake in design.