To ensure you are using the correct driver, identify the chipset inside your WifiSky adapter: Plug the device into your Windows 7 PC.
If the setup file doesn't run automatically, follow these steps to force the driver installation: WifiSky 2000mw Driver For Windows 7.rarl
Offers up to 2000mW, which is up to 20 times the power of standard internal laptop Wi-Fi cards. To ensure you are using the correct driver,
Before installing, it is helpful to understand what makes this adapter unique: WifiSky 2000mw Driver For Windows 7.rarl
How to Force a manual driver isntall in Win 7 - Spiceworks Community
