This is how to share an Internet connection from a Windows PC (as a host) to a Mac computer (as the client).

On the Mac (Mac OS X and a wireless NIC):

* Go to preference, Network and select airport.
* Click on Create Network. A dialog called Computer-to-Computer should pop-up.
* Set name to ICS and Click OK.
* Open System Preferences, Click the Network icon, select AirPort from the Show Menu dropdown.
* Click the TCP/IP tab.
* Select Manually from the Configure IPv4 dropdown.
* Set IP Address to
* Set Subnet Mask to
* Set Router to
* Set DNS Servers to
* Click "Apply Now".

On the host PC (Windows XP, Internet Connection (i.e. Cable or ADSL), Wireless NIC):

* Click Start -> Control Panel.
* Double-click Network Connections.
* Right-click Wireless Network Connection and then click Properties.
* In the General tab, select Internet Protocol (TCP/IP).
* Click Properties.
* In the General tab, select Use the following IP address.
* Set IP address to
* Set Subnet mask to
* Click OK.
* Click the Wireless Networks tab.
* Click the View Wireless Networks button.
* Select the network named ICS from the list and click Connect.
* Click OK at the next dialog telling you the network is open.
* Close the View Wireless Networks window.
* Click OK to close the Wireless Network Connection window.
* You should now be in the Network Connections window.
* Right-click Local Area Connection and then click Properties.
* Click the Advanced tab.
* Click the Allow other network users to connect through this computer’s Internet connection checkbox.
* Click OK.


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