We usually compress files into .rar folders. If you are worried about extracting mods and want a safe, open source alternative to other extraction tools, try PeaZip.
Original Download: https://peazip.github.io/
This download is in .ZIP format. You can extract this file using a tool such as PeaZip.
Alternatively, you can use WinZip, WinRar, 7-Zip or some other software that supports the .ZIP extension.
