Go to the Network and Sharing Center.
Click Set up a new connection or network.
Choose Manually connect to a wireless network and click Next.
Enter the following:
Network Name: [e.g., kre-secure]
Security Type: WPA2-Enterprise
Click Next.
Click Change Connection Settings and go to the Security tab.
Click the Settings button (under "Choose a network authentication method").
Uncheck the box next to "Verify the server's identity by validating the certificate."
Click the Configure button.
Make sure "Automatically use my Windows logon name and password" is UNCHECKED.
Click OK to close all pop-up windows until you return to the Security tab.
Click Advanced Settings.
Check Specify authentication mode, choose User authentication from the drop-down menu, and click Save credentials.
Enter your username and password.
Click OK until all dialog windows are closed, and then try to connect to the network.