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7-Zip ZS is a Windows file archiver that extends the classic 7-Zip code base maintained by Igor Pavlov with additional high-performance codecs contributed by Tino Reichardt and Sergey Brester. Distributed as freeware under the GNU LGPL, the program focuses on creating and extracting archives in both mainstream and next-generation compression formats, adding Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and Zstandard algorithms to the traditional 7z, ZIP, TAR and WIM containers already handled by the original engine. These modern codecs enable users to trade compression ratio for speed or memory footprint as workload demands, making the tool attractive for software developers who need to bundle large asset sets, system administrators who replicate folder trees across networks, and consumers who archive multimedia libraries to external drives. Context-menu integration, a two-panel file manager and optional command-line interface let compression tasks be launched from Explorer or scripted in PowerShell, while the AES-256 encryption layer secures sensitive backups. The application belongs to the Compression/Backup category and is currently offered in version 25.01 ZS v1.5.7 R4, representing the fourteenth public release of the ZS branch since its inception. Incremental updates have regularly refreshed codec libraries, patched security advisories and maintained compatibility with Windows 10 and 11. 7-Zip ZS is available for free on get.nero.com, where downloads are provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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