Large games are often split into smaller "parts" (like part04) to make downloading easier and avoid file size limits on certain platforms.

The .rar extension indicates a compressed folder that requires software like WinRAR or 7-Zip to extract.

💡 Ensure you have the full set of .rar parts before attempting to open this file, as any missing segment will cause an extraction error. Cyberpunk 2077 on Steam

If you are manually patching from an older version, updates are often non-cumulative. You may need to install previous patches (like 1.5) before applying 1.6.