Cc3d is not recognised by the windows driver plz help me

My CC3D Board is not getting recognised by my windows, and it is repeadetly showing that its not recognised orr there no drives recognised by the windows… so please help me with this issue,…
who all helped i thank them and this is my first build of a quad copter on windows 7 so plz help me with this issue

1st of all, what flight controller software you hoping to use.
Did you just buy this new.
also 100% sure cc3d need to be powered up before usb plugged in.

Download LIBREPILOT ground control station and it should work for you. you have to use a data cable not a charge cable.