✅ 1080p preferred ✅ Codec: x264 (universal) or x265 (space-efficient) ✅ Audio: 5.1 for home theater, stereo for casual ✅ Extras: Look for releases that include bonus features ✅ Source: Verified Blu-ray, not upscaled HDTV ✅ Legality: Buy the disc or use authorized digital services