I understand you're looking for information on Visual Studio 97 and its CD key. However, I must clarify that providing or seeking free CD keys for software can be against the terms of service of the software and may not be legal. Visual Studio 97 is an older version of the software, and Microsoft has long since moved on to more recent versions.
: The most reliable way to run VS 97 is inside a Virtual Machine (like VirtualBox or VMware) running Windows 95, 98, or NT 4.0. visual studio 97 cd key free