These files are not "run" like a program. Instead, they are loaded into a keyboard or edited using the PCG Tools mentioned above.
If you've downloaded a game in this format, you must extract the .rar to a folder. Download PCG rar
Right-click the file and select "Extract to [Folder Name]". These files are not "run" like a program
If you are struggling to open a .rar file you've downloaded: Download WinRAR or the open-source 7-Zip . Download PCG rar
If you have already downloaded a file ending in .pcg , this is likely a file for Korg instruments.
In some niche technical contexts, "PCG" might refer to files or archives for specific indie games (often RPG Maker titles).
