: Plug your RT809H programmer into a USB 2.0 or 3.0 port.
While you are looking for the July 2021 version, the RT809H software frequently receives updates to support new IC chips. You can usually check for the latest version within the software via or by visiting the manufacturer's forum regularly. 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. : Plug your RT809H programmer into a USB 2
: During the initial prompt, select English . Download RT809H 20210701 ENG rar
: Right-click the .rar file and select "Extract to RT809H_20210701_ENG/".
: Use WinRAR or 7-Zip to unpack the .rar archive. 3. Installation Steps