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| Language = en-US License
7-Zip is free software with open source. The most of the code is under the GNU LGPL license. Some parts of the code are under the BSD 3-clause License. Also there is unRAR license restriction for some parts of the code. Read [7-Zip License](https://www.7-zip.org/license.txt) information.
You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip.
The main features of 7-Zip
- High compression ratio in [7z format](https://www.7-zip.org/7z.html) with LZMA and LZMA2 compression - Supported formats: - Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM - Unpacking only: APFS, AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VHDX, VMDK, XAR and Z. - For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip - Strong AES-256 encryption in 7z and ZIP formats - Self-extracting capability for 7z format - Integration with Windows Shell - Powerful File Manager - Powerful command line version - Plugin for FAR Manager - Localizations for 87 languages
7-Zip works in Windows 11 / 10 / 8 / 7 / Vista / XP / 2022 / 2019 / 2016 / 2012 / 2008 / 2003 / 2000.
On [7-Zip's SourceForge Page](https://sourceforge.net/projects/sevenzip/) you can find a forum, bug reports, and feature request systems.
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