I couldn't find any verified or official release of "El Presidente" Season 2, Episode 4 in HDcam quality. The series is produced by Amazon Prime Video, and new episodes are typically released officially through their platform. If you're seeing "HDcam" labels online, those are likely unauthorized recordings (cam rips) from screens — which are low quality and illegal to distribute. For the best experience, I recommend watching the episode legally via Amazon Prime Video, where all official episodes are available in proper HD.