This download includes a beta version of the Microsoft Windows XP Peer-to-Peer Software Development Kit (SDK). The SDK contains all software required to create decentralized applications that harness the collective power of edge of the network PC?s.

System Requirements
Supported Operating Systems: Windows XP

Note: In order to run applications built with the Windows XP Peer-to-Peer SDK, the Windows XP Peer-to-Peer Update must be installed. To obtain the Windows XP Peer-to-Peer Update, please visit Microsoft?s BetaPlace Web site. After logging in with your passport, sign in with the Guest ID of ?Peer3Nom? and select the ?Windows XP Peer-to-Peer Update? program.

Sign up for Windows XP Peer-to-Peer Update beta program @ BetaPlace
hxxps://www.betaplace.com/betaplace/sign-in/betaplace.asp?refURL=http%3A%2F%2Fwww%2Ebetaplace% 2Ecom%2Fbetaplace%2Fcontent%2Fbphome%2Easp%3F

Why the hell not. Testing ever thing else.

THanks,
Will