These are the instructions to install the HTC Butterfly S USB Driver on Windows Computer (this method can be used on Windows XP, Vista, Windows 7, Windows 8, 8.1 and Windows 10).
Requirements: You need to have a Windows Computer (x32bit or x64bit) to install the HTC Driver.
[*] Download HTC Driver: You can download the latest HTC Driver from our Download Section.
[*] HTC Stock Firmware: If you are looking for the HTC Stock Firmware, then head over to the HTC Stock ROM page.
[*] Credits: HTC USB Driver is Officially Created by HTC Mobile Inc. So, Full credit goes to them for sharing the drivers for free.