: If the interface is still in Chinese, look for the Language (L) menu at the top and select English . 5. Keeping it Updated
: Open the extracted folder and find the RT809H_Setup.exe (or similar executable). Right-click it and select Run as Administrator . Download RT809H 20210701 ENG rar
: Many antivirus programs flag programmer drivers or executable files as "false positives." It is recommended to temporarily disable real-time protection or add the download folder to your exclusions. : If the interface is still in Chinese,