: Drag the extracted files into the main game folder. If prompted to "Overwrite existing files," select Yes (this is usually required for mods/DLC to work).
: Always run a scan on .rar files from unknown sources using a tool like VirusTotal . File: COS_RO2_DLC.rar ...
: Right-click the file and select "Extract to COS_RO2_DLC/" to avoid spilling files everywhere. 2. Identify the Content Type : Drag the extracted files into the main game folder
: These are patch files for Ragnarok Online servers. File: COS_RO2_DLC.rar ...
: Find where your game is installed (e.g., C:\Games\RO2\ ).
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