How do I enable Internet Connection Sharing in Windows XP? Internet Connection Sharing will allow you to share your Internet connection with other computers on the network. Note: If you have a router or gateway, do not install ICS. The router/gateway will perform the same task as ICS. For more info on Internet Connection Sharing in Windows XP go to http://www.microsoft.com/windowsxp/using/networking/learnmore/ics.mspx. Step 1 Click Start > Control Panel. Step 2 In the Control Panel double-click Network Connections. Step 3 Right-click the connection that you want to share and then click Properties. Step 4 In the connection properties click the Advanced tab. Step 5 Click Allow other users to connect through this computer´s Internet connection using the check box. Leave Establish a dialup connection whenever a computer on my network attempts to access the Internet checked. Leave Allow other network users to control or disable the shared Internet connection checked if you want to give network users the rights to modify the connection. Otherwiser, uncheck it. Step 6 Click OK to apply the new settings.