If you are trying to change a game's language to Polish, you usually need to move the extracted files into the game's lang , localization , or data folder.
Since the contents of a .rar file depend entirely on its source, here is how to safely handle and use it based on the most common scenarios: 🛠️ How to Open and Use the File 1. Extracting the Contents To see what's inside, you need a decompression tool: polish language.rar
Use WinRAR , 7-Zip , or the built-in "Extract All" (in Windows 11). Mac: Use The Unarchiver or Keka . Mobile: Use RAR (Android) or iZip (iOS). 2. Common Use Cases If you are trying to change a game's