Step 1:Connect the computer with the programmer using the UCB line in packing,the computer will tell that there is a new hardware; ![](https://box.kancloud.cn/b50c825cec979904c15dc3544a15439f_626x458.png) Step 2:Select “Browse my computer for driver software”; ![](https://box.kancloud.cn/7ec2b23e045218603d1f808856d2dfba_628x457.png) Step 3:Click the arrow at the right side down,change the path into “D:\\809H\\DRIVER”,then click “Next”; ![](https://box.kancloud.cn/6fd1f6be9829a85d12893322cabd227a_628x458.png) ![](https://box.kancloud.cn/f980032fd691aaa380231198a43a7ca6_627x459.png) Step 4:Click “Complete”,USB Serial Converter A driver has installed already; ![](https://box.kancloud.cn/2317b0da1279ff4cca7f95063139e74c_627x458.png) Step 5:Next go on to install the driver of USB Serial Converter B,click “Next”; ![](https://box.kancloud.cn/bd63edbba8e2151cf7b8f61533da44f0_629x459.png) Step 6:Click “complete”,the driver has been installed already; ![](https://box.kancloud.cn/638a86d916a5d3f24f6f516218df06c6_629x459.png) Open the operating software of 809H,the serial number of programmer will show.The serial number is the important document of technical support and warranty. Please do not leak, properly kept. ![](https://box.kancloud.cn/c85cfdb19baff5affc1fb24dcc44d8c8_702x627.png)