Windows USB Drivers for MKS 1.4 or MKS GEN L 2.1
For MakerBase MKS 1.4
Download the FTDI driver (Virtual COM Port Drivers) from here: https://ftdichip.com/drivers/vcp-drivers/
Install the driver
For MakerBase MKS GEN L 2.1
Download the CH340 driver (CH341SER.EXE) from here : https://www.wch.cn/download/CH341SER_ZIP.html
Install the driver