SKR motherboard communicates with the computer through the [USB] interface.
The computer needs to install the driver program first and then insert the motherboard into the computer to identify the port for data transmission.
Without installing the driver, it is easy for the computer to fail to recognize the USB port.
Using the Marlin2.0 firmware, follow the tutorial for installation: tutorial：Dropbox - MarlinV2.0 SKRV1.1 instruction.docx - Simplify your life
Additional detailed information can be found on Microsoft’s website at the following URL location
There is a Youtube video from “Where Nerdy is Cool”