: Unzip the AndroidTool_Release_v2.69.zip folder.
If you are specifically looking for SD card flashing rather than direct eMMC/SPI flashing via USB, many developers recommend SDDiskTool v1.69 balenaEtcher as more straightforward alternatives. for your particular Rockchip device?
: The tool does not typically require a standard installation; you simply unzip the folder and run RKDevTool.exe . How to Flash a Device
