E Cloud does not maintain its own official website. Most E Cloud adapters use reference chipsets from Realtek , Ralink (MediaTek) , or Qualcomm . Therefore, the “E Cloud driver” is almost always a generic driver from one of these chipset makers.
Plug the E Cloud adapter into a Linux machine (or live USB). Linux often detects these generic adapters immediately. Run lsusb in the terminal to get the exact chipset, then search for that chipset’s Windows driver. e cloud wifi adapter driver 802.11n download
Once you have the VID/PID, go to: