Right-click the file and select > Extract Here or Open Archive . For macOS : Use a tool like The Unarchiver or Unzip One .
While the contents depend on where you downloaded it, common files with similar names often relate to: Southern.7z
: If you don't want to install software, you can use ezyZip to extract the files in your browser. Likely Contents of "Southern.7z" Right-click the file and select > Extract Here