7-Zip 9.13 Beta/ 7-Zip 4.65

7-Zip is an open source file archiver with the high compression ratio predominantly for the Microsoft Windows operating system. It operates either as a command line program or with a graphical user interface. It also features integration with the Windows shell environment. 7-Zip is free software, developed by Igor Pavlov and distributed under the GNU LGPL license. 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 74 languages

Changes in 7-Zip 4.65 (February 3, 2009) for Windows:
- 7-Zip File Manager now can calculate SHA-256 checksum.
- Some bugs were fixed.
Changes in 7-Zip 9.13 beta (2010-04-15):
- 7-Zip now stores NTFS file timestamps to ZIP archives.
- New additional "Open archive >" item in context menu allows to select archive type for some files.
- Some bugs were fixed.
- New localization: Uyghur.
Homepage - http://www.7-zip.org
Size: 1.02 MB
Download 7-Zip 9.13 Beta (32-bit)
Download 7-Zip 9.13 Beta (64-bit)
Download 7-Zip 9.10 for Windows Mobile

Download 7-Zip 4.65 (32-bit)
Download 7-Zip 4.65 (64-bit)
All Downloads from Webpage
Download 7-Zip 4.65 Portable