The safest way to get 7-Zip is directly from the Official 7-Zip Website or SourceForge to ensure you receive the most secure, latest version.
7-Zip is a leading free and open-source file archiver and extractor known for its high compression ratios and versatility. Unlike standard built-in tools, it handles a massive array of file formats, including its proprietary .7z format, which often compresses files 2–10% better than standard ZIP tools. How to Download and Install 7-Zip download extractor 7-zip