RKM MK902S User Manual
Page15
Choose the options as picture display, click “Browse”, find out “USB Driver”, click “Next” to install.
If installation finished, computer will pop up below window, click “Finish” to finish.
12.1.4 How to recovery/update by RKBatch Tool
After installation, the “connect device” icon on the “batch tool” will changed to green, as below: