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What is 7-Zip?
7-Zip by Igor Pavlov is open-source Windows software in the archivers category. It ranks 1st by popularity among archivers in this catalogue. The first release dates back to 1999. It is written in C++ and C. Besides Windows, it is available for Linux and ReactOS.
Installation and requirements
The publisher provides EXE and MSI installers for 64-bit, ARM64, 32-bit and ARM Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 26.05, released on October 21, 2026. The version history goes back to October 4, 2016: 23 releases, all linked to the official files. That is about 2.3 releases a year. The last update is less than a month old.
Popularity and file types
The Chocolatey package has been downloaded 35,632,882 times. The source code on GitHub (ip7z/7zip) has 4,231 stars. Wikipedia has an article about it in 33 of our languages. On Windows it registers 40 file types, including .zip, .iso, .7z, .rar and .tar. Similar programs include WinRAR, PeaZip and NanaZip.
Project description on GitHub: “7-Zip”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Native ARM64 build for Windows on Arm
- MSI package for managed deployment
- Documented silent install
- Updated in the last two months
- Opens 40 file types
- Also runs on Linux and ReactOS
Cons
- Installation needs administrator rights
In short: 7-Zip is an open-source archiver tool for 64-bit, ARM64, 32-bit and ARM PCs. Administrators can deploy it unattended.
Screenshots
Is 7-Zip safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
FD99E86F57D8F429EF5ED045BF98315AF962E2309B0F1BA87A147A44C71647D0· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 23 versions ›23 versions over 10 years · about 2.3 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 26.05Latest | October 21, 2026 | — | 64-bit EXE32-bit MSIARM EXE64-bit MSI |
| 26.04 | October 6, 2026 | 2.0 MB | 64-bit EXE32-bit EXEARM EXE64-bit MSI |
| 26.03 | September 8, 2026 | 2.0 MB | ARM EXE64-bit MSI32-bit MSI64-bit EXE |
| 26.02 | June 26, 2026 | — | 64-bit MSI64-bit EXEARM64 EXEARM EXE |
| 26.01 | April 27, 2026 | 2.0 MB | ARM EXE32-bit EXE64-bit EXE32-bit MSI |
| 26.00 | February 12, 2026 | 2.0 MB | ARM EXE32-bit EXE64-bit MSIARM64 EXE |
| 25.01 | August 3, 2025 | 2.0 MB | 64-bit MSI64-bit EXEARM EXE32-bit MSI |
| 25.00 | July 5, 2025 | 2.0 MB | 64-bit EXEARM64 EXEARM EXE32-bit MSI |
Install from the command line
Silent install ›winget install --id 7zip.7zip -echoco install 7zip -yscoop install main/7zip7z2605-x64.exe /SProgram files (.exe): 7z.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Igor Pavlov
- Category
- Archivers
- Licence
- LGPL-2.1
- Price
- Free
- Source code
- github.com/ip7z/7zip
- Written in
- C++ and C
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, ARM64, 32-bit, ARM
- Installer
- EXE, MSI
- Other platforms
- Linux, ReactOS
- Version
- 26.05
- Released
- October 21, 2026
- First release
- 1999
- Added to the catalogue
- November 26, 2021
- Versions listed
- 23
- Updates / year
- 2.3
- Chocolatey downloads
- 35,632,882
- GitHub stars
- 4,231
- GitHub forks
- 462
- Website
- 7-zip.org
- winget ID
- 7zip.7zip
- Chocolatey package
- 7zip
- Scoop package
- main/7zip
- MSI product code
- {23170F69-40C1-2702-2605-000001000000}
File types it opens (40)
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to 7-Zip
See all ›-
Proprietary11.7M ↓ -
PeaZip11.3.0A free file archiver utility and rar extractor for Windows and Linux, work with 200+ archive types and variants, handle spanned archives and support multiple archive encryption standards.Open source585.4K ↓ -
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UPX5.2.1A free, secure, portable, extendable, high-performance executable packer for several executable formats.Open source230.7K ↓ -
Zstandard1.5.7Zstandard is a fast lossless compression algorithm, targeting real-time compression scenarios at zlib-level and better compression ratios. It's backed by a very fast entropy stage, provided by Huff0 and FSE library.Open source305.3K ↓ -
7-Zip ZS26.02-v1.5.7-R2File archiver with support for Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and ZstandardOpen source2.7M ↓ -
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Open source527.8K ↓
Frequently asked questions
Is 7-Zip free?
Yes. 7-Zip is open-source software under the LGPL-2.1 licence.
Is 7-Zip safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install 7-Zip with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can 7-Zip be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does 7-Zip run on ARM (Windows on Arm)?
Yes, there is a native ARM64 installer.
Where can I download an older version of 7-Zip?
The versions page lists all 23 versions with links to their official installer files, back to October 4, 2016.
What are alternatives to 7-Zip?
WinRAR, PeaZip, NanaZip, UPX and Zstandard. The alternatives page compares them.
