: Right-click the file and select "Extract to COS_RO2_DLC/" to avoid spilling files everywhere. 2. Identify the Content Type
: If this is for an emulator (like RPCS3), you must also drag the .rap file into the emulator's exdata folder to "unlock" the content. 4. Safety Precautions File: COS_RO2_DLC.rar ...
Since .rar is a compressed archive, you will need software to open it. : Use 7-Zip (free and open source) or WinRAR . : Right-click the file and select "Extract to
: These are patch files for Ragnarok Online servers. File: COS_RO2_DLC.rar ...
Look inside the extracted folder to see what kind of files you have: