: Find where your game is installed (e.g., C:\Games\RO2\ ).
: 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). 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 : Find where your game is installed (e
: These are patch files for Ragnarok Online servers. File: COS_RO2_DLC.rar ...
: These are meant to be merged directly into the game's root directory. 3. Installation Steps
: Always run a scan on .rar files from unknown sources using a tool like VirusTotal .