If you are the first time to use RT809H USB universal programmer,please surf the programmer official web to download the latest software. http://www.ifix.net.cn/thread-56912-1-1.html Like this: The file downloaded is ZIP format,should be unzipped before using. | Before unzipped | ![](https://box.kancloud.cn/13d576a95aa9f6a84828383ef0696612_75x60.png) | | --- | --- | | **After unzipped** |![](https://box.kancloud.cn/78f1854a2331e14aee180111a848aaa9_78x71.png) |