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This is a prerelease version of 7-Zip (Install).

7-Zip (Install)


Package test results are passing.

This package is likely a meta/virtual (*) or an installer (*.install) or portable (*.portable) application package.
  • Meta/virtual (*) - has a dependency on the *.install or the *.portable package - it is provided for discoverability and for other packages to take a dependency on.
  • Portable (*.portable/*.commandline (deprecated naming convention)/*.tool (deprecated naming convention)) - usually zips or archives that require no administrative access to install.
  • Install (*.install/*.app (deprecated naming convention)) - uses native installers, usually requires administrative access to install.
Learn more about chocolatey's distinction of installed versus portable apps and/or learn about this kind of package.

This package was approved as a trusted package on 3/5/2018.

7-Zip is a file archiver with a high compression ratio.


  • High compression ratio in 7z format with LZMA and LZMA2 compression
  • Supported formats:
  • Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
  • 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


  • The installer for 7-Zip is known to close the explorer process.
    This means you may lose current work. If it doesn't automatically restart explorer, type explorer on the command shell to restart it.

To install 7-Zip (Install), run the following command from the command line or from PowerShell:

C:\> choco install 7zip.install --version 18.3-beta --pre

To upgrade 7-Zip (Install), run the following command from the command line or from PowerShell:

C:\> choco upgrade 7zip.install --version 18.3-beta --pre


  • legal\LICENSE.txt Show
      License for use and distribution
      7-Zip Copyright (C) 1999-2016 Igor Pavlov.
      Licenses for files are:
        1) 7z.dll: GNU LGPL + unRAR restriction
        2) All other files:  GNU LGPL
      The GNU LGPL + unRAR restriction means that you must follow both
      GNU LGPL rules and unRAR restriction rules.
        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.
      GNU LGPL information
        This library is free software; you can redistribute it and/or
        modify it under the terms of the GNU Lesser General Public
        License as published by the Free Software Foundation; either
        version 2.1 of the License, or (at your option) any later version.
        This library is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        Lesser General Public License for more details.
        You can receive a copy of the GNU Lesser General Public License from
      unRAR restriction
        The decompression engine for RAR archives was developed using source
        code of unRAR program.
        All copyrights to original unRAR code are owned by Alexander Roshal.
        The license for original unRAR code has the following restriction:
          The unRAR sources cannot be used to re-create the RAR compression algorithm,
          which is proprietary. Distribution of modified unRAR sources in separate form
          or as a part of other software is permitted, provided that it is clearly
          stated in the documentation and source comments that the code may
          not be used to develop a RAR (WinRAR) compatible archiver.
      Igor Pavlov
  • legal\VERIFICATION.txt Show
    Verification is intended to assist the Chocolatey moderators and community
    in verifying that this package's contents are trustworthy.
    The installer have been downloaded from their official download link listed on <>
    and can be verified like this:
    1. Download the following installers:
      32-Bit: <>
      64-Bit: <>
    2. You can use one of the following methods to obtain the checksum
      - Use powershell function 'Get-Filehash'
      - Use chocolatey utility 'checksum.exe'
      checksum type: 
      checksum32: B602D26B728CCF7AD8C5543B39F696F119CD95AB63C38C45CC5E853578E9E92F
      checksum64: 6B6738C00C1DAFA0F8B57A86DE2C6FF1802413B172D790A9956FA3CE54888D91
    File 'LICENSE.txt' is obtained from <>
  • tools\7zip_x32.exe Show
    md5: DB573E490E0C5145282AAAF6E2DC34DF | sha1: 1F28FD6AFB36E97649D7E534907B13624ED8A645 | sha256: B602D26B728CCF7AD8C5543B39F696F119CD95AB63C38C45CC5E853578E9E92F | sha512: 84745343E4DF0375050E0E10A74B931E7C10741E622230285BB5D593A0EB17A0E6CC5EBFAEE1DB5A61601919528CCD918617C2B1C1253D17DDE2CBFFD6B73741
  • tools\7zip_x64.exe Show
    md5: F83E7EB7C92B5AC2FE3D944EAB7368CE | sha1: 022FE55DB6746C78A4044BB7A7C4E4168620E397 | sha256: 6B6738C00C1DAFA0F8B57A86DE2C6FF1802413B172D790A9956FA3CE54888D91 | sha512: 3598D7BB1FAF2D69051CABAD2C34A4B3B8D816B31166F62418EA27B3F7B0F7BB2896AE1FC88830949BE226DCF6860A552B178BD29595291363A69800636C2B19
  • tools\chocolateyInstall.ps1 Show
    $ErrorActionPreference = 'Stop'
    $toolsDir = "$(Split-Path -parent $MyInvocation.MyCommand.Definition)"
    $filePath = if ((Get-OSArchitectureWidth 64) -and $env:chocolateyForceX86 -ne $true) {
           Write-Host "Installing 64 bit version" ; Get-Item $toolsDir\*_x64.exe }
    else { Write-Host "Installing 32 bit version" ; Get-Item $toolsDir\*_x32.exe }
    $packageArgs = @{
      packageName    = '7zip.install'
      fileType       = 'exe'
      softwareName   = '7-zip*'
      file           = $filePath
      silentArgs     = '/S'
      validExitCodes = @(0)
    Install-ChocolateyInstallPackage @packageArgs
    Remove-Item $toolsDir\*.exe -ea 0 -force
    $installLocation = Get-AppInstallLocation $packageArgs.softwareName
    if (!$installLocation)  { Write-Warning "Can't find 7zip install location"; return }
    Write-Host "7zip installed to '$installLocation'"
    Install-BinFile '7z' $installLocation\7z.exe
  • tools\chocolateyUninstall.ps1 Show
    $ErrorActionPreference = 'Stop';
    $packageName = '7zip.install'
    $uninstalled = $false
    [array]$key = Get-UninstallRegistryKey -SoftwareName '7-zip*'
    if ($key.Count -eq 1) {
      $key | ForEach-Object {
      $packageArgs = @{
        packageName    = $packageName
        fileType       = 'EXE'
        silentArgs     = '/S'
        validExitCodes = @(0)
        file           = "$($_.UninstallString)"
        Uninstall-ChocolateyPackage @packageArgs
    } elseif ($key.Count -eq 0) {
      Write-Warning "$packageName has already been uninstalled by other means."
    } elseif ($key.Count -gt 1) {
      Write-Warning "$($key.Count) matches found!"
      Write-Warning "To prevent accidental data loss, no programs will be uninstalled."
      Write-Warning "Please alert package maintainer the following keys were matched:"
      $key | ForEach-Object {Write-Warning "- $($_.DisplayName)"}

Virus Scan Results

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.


Package Maintainer(s)

Software Author(s)

  • Igor Pavlov


Release Notes

Software Changelog
Package Changelog

Version History

Version Downloads Last updated Status
7-Zip (Install) 18.6 314220 Sunday, December 30, 2018 approved
7-Zip (Install) 882116 Monday, July 30, 2018 approved
7-Zip (Install) 18.5 502596 Tuesday, May 1, 2018 approved
7-Zip (Install) 18.3-beta 834 Monday, March 5, 2018 approved
7-Zip (Install) 18.2-beta 330 Saturday, March 3, 2018 approved
7-Zip (Install) 18.1 494892 Monday, January 29, 2018 approved
7-Zip (Install) 18.0-beta 328 Wednesday, January 24, 2018 approved
7-Zip (Install) 933181 Saturday, May 6, 2017 approved
Show More

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  • This discussion is only about 7-Zip (Install) and the 7-Zip (Install) package. If you have feedback for Chocolatey, please contact the google group.
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