A while back, johnny said in alt.internet.wireless:

> On Sun, 02 Oct 2005 17:56:30 -0400, J&SB wrote:
>
>> Been surfing on the topic of WPA-PSK with Windows 2000, and all I
>> find are some dated articles. I thought I'd turn to this group to
>> find the latest. Is there any freeware or inexpensive software that
>> would enable WPA-PSK on my Win2K laptop. My desktop is running XP,
>> and my Belkin Pre-N router and laptop card all support WPA-PSK.
>> Thanks.
>
> http://hostap.epitest.fi/wpa_supplicant/
>

And - or,

http://www.lucidlink.com

http://www.wirelesssecuritycorp.com

These are both free and designed for Win2000 (and earlier versions for
Lucidlink)