Use PC_Camera Function operation guide
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1. install the camera driver(WDV_020_PC-Camera _Install_Driver.exe) to your computer
2.inset the USB cable to connect the watch when the watch is turn off.keep press the photo button while inset the USB dongle to computer connect the watch to computer (keeping pressing before connecting). then have a attention messager" cmaera is connected"
3.you can found a equipment "Standard Camera" In "my computer"  you can use the camera function now.