Part 2 - Install the right driver
Next, we need to download the latest Audigy upgrade driver from the Creative website. These, of course, state that they are an upgrade and that they require the original CD install, but ignore that and download the file. Once downloaded, run the file to install the Audigy drivers.
A quick reboot and your Audigy card will be in working order, without any messy additional software or the use of the original CD in any way.
The only downside is you don't get to modify your EAX settings, but it will get the card working. As I mentioned earlier, I don't see there being a problem with this process on Windows 2000 either as it also has an inbuilt Live! series driver (I haven't tested it though).