Whenever I had problem with my devices, I always looked up on the internet for solution. And many people suggested to join the Insider Programme since it's more stable now. I didn't join the Insider Programme because I use my device everyday and I don't have secondary device. But I do want to provide feedbacks for future Windows, so my question here, what option should I chose? 'Just fixes, apps and drivers' or 'Active development of Windows'? And what's exactly is Slow ring and Fast ring?