NOTE:

if your PC is WIN8 or WIN10, you'll need to do the following things before you open 8Bitdo_Retro_Receiver_Tools_for_PS3_Controller.exe at the first time:


Method 1.
	Install SixaxisPairToolSetup-0.3.0.exe
	It could be downloaded from http://sixaxispairtool.en.lo4d.com/download

Method 2:
	Temporarily disable driver signature enforcement
	The specific steps is as "How To Temporarily Disable Driver Signature Enforcement On Win8 And Win10".


You just need to do one method you love!