7-Zip v4.65 x86

7-Zip - это файловый архиватор с высокой степенью сжатия. Основные характеристики 7-Zip: Поддерживаемые форматы: 7z, ZIP, CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO и RPM; Очень высокая степень сжатия в новом формате 7z; Для форматов ZIP и GZIP степень сжатия на 2-10 % выше, чем у PKZip и WinZip; Возможность создания самораспаковывающихся архивов для формата 7z; Возможность шифрования архивов; Встроенный файловый менеджер; Интеграция в оболочку Windows; Плагин для программы FAR Manager; Мощная версия для командной строки.

7-Zip is open source software. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions. Check license information here: 7-Zip license.

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. But you can make a donation to support further development of 7-Zip.

The main features of 7-Zip:
• High compression ratio in new 7z format with LZMA compression
• Supported formats:
-- Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
-- Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB and NSIS
• 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 69 languages

The main features of 7z format:
• Open architecture
• High compression ratio
• Strong AES-256 encryption
• Ability of using any compression, conversion or encryption method
• Supporting files with sizes up to 16000000000 GB
• Unicode file names
• Solid compressing
• Archive headers compressing

LZMA is default and general compression method of 7z format.
The main features of LZMA method:
• High compression ratio
• Variable dictionary size (up to 4 GB)
• Compressing speed: about 1 MB/s on 2 GHz CPU
• Decompressing speed: about 10-20 MB/s on 2 GHz CPU
• Small memory requirements for decompressing (depend from dictionary size)
• Small code size for decompressing: about 5 KB
• Supporting multi-threading and P4's hyper-threading

Changelog -> History -> http://7-zip.org/history.txt