IR Server Suite - 1.0.4.1 or Test Build 1.4.2 RC1 (1 Viewer)

[Surfer]

First time hooking up a New, Microsoft Media Center Remote Control and Receiver, on a Windows XP Home Edition 2001 Service Pack 3 system.
Which one or more of these should I download and run?

1. IR Server Suite - 1.0.4.1.zip (4.46 MB, 3137 views)
2. IR Server Suite - Test Build 1.4.2 RC1.zip (4.30 MB, 1123 views)
3. IR Server Suite - Test Build 1.4.2 RC1 - MP Control Plugin update.zip (116.3 KB, 605 views)
4. IR Server Suite - Test Build 1.4.2 RC1 - Imon update.zip (66.6 KB, 474 views)

Do I need to download any Drivers?
If yes, Please tell me which one's I need.