Wireless Connection Setup Windows XP...       

Click the Start button and select Control Panel

Windows XP gives you the option to view the Control Panel in "Category View" or "Classic View".  
Click on "Switch to Classic View".  It's on the left side of the Control Panel. If it says "Switch to Category View", don't click, you are already in Classic View.

Click on Network Connections icon.

The Network Connections window appears.

Right-Click the Local Area Connection icon and select Properties from the menu.

General Tab:  TCP/IP Properties

In the Local Area Connection Properties double-click Internet Protocol (TCP/IP) to view and modify IP, DNS, and Gateway settings.

Click the OK button to close the window. Close any remaining windows and open Internet Explorer to test your connection.

Wireless Connection Setup Windows ME...

Click the Start button, Settings and select Control Panel

Click on the Network icon.

Select TCP/IP in the list, then click the Properties button.

Click OK to continue if prompted.

Type in your IP Address & Subnet Mask, Gateway, & DNS numbers.

Click the OK button to close the window. Close any remaining windows and open Internet Explorer to test your connection.