You must permanently disable driver signature enforcement or use the Test Mode :
Download the lv5hd_hybrid_usb_driver.zip file. Right-click → to a folder like C:\LV5HD_Driver . lv5hd hybrid usb driver download
Open , VLC Media Player (Media → Open Capture Device), or AmCap (free webcam testing tool). Select “USB Video Device” or “LV5HD Hybrid” as the source. You should now see video input. You must permanently disable driver signature enforcement or
