If the .rar contains side stories or patches (common for titles like Monster Girl Quest ), you may need to drag those files into the main game directory and override existing files when prompted, according to guides on Miraheze .
Since the file ends in , it is a compressed archive. Use a utility such as 7-Zip or WinRAR to right-click the file and select "Extract Here" or "Extract to Monster.Girl.2/". 2. Check System Requirements Monster.Girl.2.rar
Based on current software listings for games with this title, here is how you can set it up: 1. Extract the Files If the