For the best high-definition experience without the risks of unofficial "patches," you can find the official multi-language version (including Tamil and English) on: Disney+ Hotstar

If you truly want a with Captain America: Civil War in Tamil:

: For many viewers, 720p HD strikes the perfect balance between high-fidelity visuals (essential for the famous airport battle) and manageable file sizes for streaming or local playback. Why It Remains Popular

Supporting legal releases ensures better quality, more Tamil-dubbed content in the future, and no risk to your device or data.