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Zero Install for Windows

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This is the Windows version of Zero Install. It extends the cross-platform core Zero Install .NET with a GUI and various OS-specific integrations.

Zero Install is a decentralized cross-platform software installation system. You can learn more at

Download Zero Install for Windows


The source code is in src/ and generated artifacts are placed in artifacts/.
The source code does not contain version numbers. Instead the version is determined during CI using GitVersion.

To build install Visual Studio 2022 v17.8 or newer and run .\build.ps1.
If you wish to deploy the build after compilation as the default Zero Install instance in your user profile run .\build.ps1 -Deploy. To deploy it for all users use .\build.ps1 -Deploy -Machine.

Integration tests

The PowerShell scripts in tests/ are integration tests.

You can run them individually. They will then use the version of Zero Install found in your current PATH.

You can also run them all against:

  • your latest build, with .\test.ps1
  • a temporarily deployed copy of your latest build, with .\test.ps1 -Deploy
  • a temporarily deployed machine-wide copy of your latest build, with .\test.ps1 -Deploy -Machine
  • a temporarily deployed portable copy of your latest build, with .\test.ps1 -Deploy -Portable


We welcome contributions to this project such as bug reports, recommendations, pull requests and translations. If you have any questions feel free to pitch in on our friendly mailing list.

This repository contains an EditorConfig file. Please make sure to use an editor that supports it to ensure consistent code style, file encoding, etc.. For full tooling support for all style and naming conventions consider using JetBrains' ReSharper or Rider products.

Privacy and code signing policy

Zero Install for Windows contacts various servers automatically during normal operation (e.g., to check for updates). No personal information is transmitted to these systems unless specifically requested by the user (e.g., to synchronize apps between computers). See the documentation for details.

This program uses free code signing provided by, and a certificate by the SignPath Foundation. Signed releases are published by Bastian Eicher.