Many legacy Microsoft installers from the mid-90s accepted a string of ones or zeros as a valid key for offline installation. For example, 111-1111111 was a common placeholder used by developers who had lost their physical jewel cases. 3. Service Packs are Essential

(formerly MSDN), you may still be able to find keys for older software: Sign in to your Visual Studio Subscription Navigate to the Product Keys

If you're looking to teach or learn about programming with Visual Studio 97, consider: