John had heard about the Long-Term Servicing Channel (LTSC) version of Office, which offered a more stable and predictable update cycle, perfect for businesses that didn't require the latest features. He had downloaded the installation package, but now he needed to enter a valid product key to complete the activation.
If you are a student or educator, you can often obtain a free or heavily discounted license for Microsoft Office. Conclusion John had heard about the Long-Term Servicing Channel
As for the elusive product key, it turned out that Alex's colleague had indeed left the company, but not before properly disposing of the unused license. The key was never used again, serving as a reminder of the importance of responsible software management. John had heard about the Long-Term Servicing Channel