7Zip
Old Version of 7Zip 4.45
Selected Version
7Zip 4.45
Supported Systems
Legacy OS support
Windows 98, 2000, XP, Vista
License
Open Source
Release Date
17 April, 2007 (8 years ago )

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Download 7Zip 4.45
7Zip 4.45

7Zip 4.45 (822.64 KB)

okay 42 scans reported this version clean

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System Requirements of 7Zip 4.45
  • Windows 95
  • Windows 98
  • Windows ME
  • Windows 2000
  • Windows XP
  • Windows XP x64
  • Windows Vista
  • Windows Vista x64
  • Windows NT 4.0
  • Windows NT 3.5
Program Information of 7Zip 4.45
Version Name:
7Zip 4.45

File Size:
822.64 KB

Released Date:
17 April, 2007 (8 years ago)

MD5 Checksum:
5819fa5d648cb82616298166a7f3976d

SHA1 Checksum:
78843C7BFB8B6CC925124E34719EEFD639480329

Version History of 7Zip 4.45
  • Now it's possible to specify the size of solid block and the number
  • of CPU threads in "Add to archive" dialog box.
  • Default dictionary size was increased: Normal: 16 MB, Max: 32 MB.
  • Speed optimizations.

View More...

7Zip Screenshots
7Zip supports all common formats such as ZIP, RAR, ISO, GZIP, TAR, BZIP2, etc. More
7-Zip (also written as seven zip) is a file archiver predominantly for the Microsoft Windows operating system. It operates either as a command line program… More
7-Zip (also written as seven zip) is a file archiver predominantly for the Microsoft Windows operating system. It operates either as a command line program… More
About 7Zip

7-Zip (also written as seven zip) is a file archiver 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. In the form of p7-Zip , 7-Zip has been ported for use on Unix-like systems such as Linux and FreeBSD. It is a competitor to the market-leading WinZip and WinRAR programs, both of which are closed source.

7Zip features

  • High compression ratio in 7-zip format
  • Supports all common formats such as ZIP, RAR, ISO, GZIP, TAR, BZIP2, etc.
  • Command line version
  • Localization for 63 languages
  • Works with Windows 98, ME, NT, 2000, XP
  • Freeware, use it at no cost.

Updates : 7Zip Updates

Did You Know?

For both archive formats ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip, it also has Strong AES-256 encryption in 7z and ZIP formats, and provides Self-extracting capability for 7z format.