: Right-click the LE3ST2.7z file and select "Extract here" or "Extract to [Folder Name]" .

: Mod files often contain a ReadMe.txt or .pdf with specific installation steps for the game. 7Z: Zip 7Zip Rar File Manager - Apps on Google Play

Since this is a .7z file, you will need a third-party archiver to open it, as standard Windows and macOS utilities often do not support this format natively. Recommended Tools to Open .7z Files