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: 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.
: 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
: Right-click the .rar file and select "Extract to RT809H_20210701_ENG/". : Many antivirus programs flag programmer drivers or
: Once the main software installation finishes, a prompt to install the USB Drivers will typically appear. Ensure your RT809H programmer is unplugged during driver installation. 4. Initial Configuration take these precautions:
: Ensure the file you download is named RT809H_20210701_ENG.rar or similar to confirm it includes the English language pack. 2. Prepare for Installation Before extracting the files, take these precautions: