http://www.3g-modem-wiki.com/page/Huawei+K3765-HV+%28Vodafone%29

Installing Huawei / Vodafone K3765-HV On Windows 8 And Windows 8.1

http://huaweifirmwares.com/download/vodafone-huawei-usb-driver-k3765-k4505/