Installation procedure:

1. Install in Win10 & Win11
a) Right click AdditelUSBDeviceV3.inf，setup information file in AdditelUSBDeviceV3 folder. Select "Install". In the first install, please accept the app to make changes to your PC.

2. Install in Win7
a)  Connect the Additel device with PC. Right click "Computer", select "Manage". Select "Device Manager" in left tree in Computer Management Program;
b)  Select the USB(Universal Serial Bus) device without a driver (usb device name is“Generic Serial (PROTOTYPE--Remember to change idVendor)”,  Right click the USB device and select "Update Driver Software", Then select "Browse my computer for driver software", choose "AdditelUSBDeviceV2-signed-20140514" folder as the location of the driver software. 
c)  Click "Always install this driver software" to finish the install.