Plug the Kinamax TS-9900 into a USB 2.0 port.
Once you know the chipset (e.g., Realtek RTL8187 or Ralink RT3070, which were highly common in Kinamax high-power adapters), go directly to the official Realtek or MediaTek websites to download the Windows 7 driver securely. kinamax ts 9900 driver download windows 7 new