WPA Wireless Security Update in Windows XP: SP2 includes WPA

Overview of the WPA Wireless Security Update in Windows XP

I'd been wondering if I could switch my home WLAN from WEP to WPA. The clients are iBooks, but occasionally I need to add a Windows portable to the mix. Looks like that may be possible now, at least with SP2.

For wireless clients that are running Windows XP Service Pack 1 (SP1) or Windows Server 2003 and that are using a wireless network adapter that supports the Wireless Zero Configuration service, you must obtain and install the Windows WPA Client. For wireless clients that are running Windows XP service pack 2 (SP2) and that are using a wireless network adapter that supports the Wireless Zero Configuration service, the Windows WPA Client is included in Windows XP SP2.

http://support.microsoft.com/kb/826942 instructs how to download the WPA client for XP SP1.