NOTE THAT YOU WILL NEED A USERID AND PASSWORD TO ACCESS THIS LINK. LOOK FOR A MESSAGE IN YOUR YU EMAIL TO GET THE USERID AND PASSWORD.
To burn a .iso file to a CD sometimes requires a special process depending on your CD writer software. If you don't know how to burn a .iso file to a CD, you can see the following link (Note that I haven't followed these specific instructions myself)
Click here for step by step instructions for performing the installation. These instructions were prepared for a different set of installation disks and hence they might not reflect EXACTLY what you see. For example the program to start the installation might be in a different folder. However, I don't think that you will have any problems following these directions. These instructions contain a section on installing service pack 3a from the CD. However, the CD image currently posted on this site does not have the service pack included. You should download and install the latest service packs for SQL Server 2000, Developer edition from the following location: