Code signing and transparency for containers and binaries
Publisher’s description
What is cosign?
cosign is an open-source program for Windows from sigstore.
Installation and requirements
Official installers exist for 64-bit as Portable. It runs without installation (portable).
Updates and version history
The current version is 3.1.4, released on October 20, 2026. 21 versions are listed since July 22, 2024, each with links to its own installer files. That is about 9.4 releases a year. The last update is less than a month old.
Popularity and file types
The Chocolatey package has been downloaded 2,113 times.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Frequent updates (about 9.4 a year)
Cons
- No native ARM64 build
In short: cosign is an open-source Windows tool for 64-bit PCs. It is actively maintained.
Is cosign 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:
CBE953787074611F1334CBF37DC1CF953995BB8C45398EB4FC7BB781D29C1F2A· 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 21 versions ›21 versions over 2 years · about 9.4 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 3.1.4Latest | October 20, 2026 | — | 64-bit Portable |
| 3.1.3 | July 17, 2026 | — | 64-bit Portable |
| 3.1.2 | July 17, 2026 | — | 64-bit Portable |
| 3.1.1 | June 9, 2026 | — | 64-bit Portable |
| 3.0.6 | April 6, 2026 | — | 64-bit Portable |
| 3.0.5 | February 19, 2026 | — | 64-bit Portable |
| 3.0.4 | January 9, 2026 | — | 64-bit Portable |
| 3.0.3 | December 10, 2025 | — | 64-bit Portable |
Install from the command line
Silent install ›winget install --id Sigstore.Cosign -echoco install Cosign -yscoop install main/cosignRelated guide: How to use winget: install and update apps
Also for other systems
brew install cosignInformation
- Publisher
- sigstore
- Licence
- Apache-2.0
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 3.1.4
- Released
- October 20, 2026
- Added to the catalogue
- July 31, 2024
- Versions listed
- 21
- Updates / year
- 9.4
- Chocolatey downloads
- 2,113
- Website
- github.com
- winget ID
- Sigstore.Cosign
- Chocolatey package
- Cosign
- Scoop package
- main/cosign
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is cosign free?
Yes. cosign is open-source software under the Apache-2.0 licence.
Is cosign 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 cosign 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.
Does cosign run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of cosign?
The versions page lists all 21 versions with links to their official installer files, back to July 22, 2024.
Can I use cosign without administrator rights?
Yes, it is portable: unpack and run it.