If you are the first time to use RT809H USB universal programmer,please surf the programmer official web to download the latest software. Website: http://www.ifix.net.cn/thread-56912-1-1.html or [Click here to enter directly](http://www.ifix.net.cn/thread-56912-1-1.html) ![](https://box.kancloud.cn/49b96da2651f9e09dde3e6fd38435c1d_925x453.png) Like this: The downloaded file is RAR format,should be unzipped before using. ![](https://box.kancloud.cn/f1ef95735d51e0449dc307a036ba2581_77x90.png) Download file: ![](https://box.kancloud.cn/ae7e11676bcf710b4ca0b73de73b930d_574x32.png)