You cannot install Microsoft’s Windows Calculator as a native, officially supported Linux application. The practical option is Uno Calculator, a Linux port based on the open-source Windows Calculator. On a distribution with Snap enabled, install it with:
sudo snap install uno-calculatorThis gives you the familiar Calculator project in a Linux package; it is not the unmodified Microsoft Windows app running through Linux.
What you are installing
Uno Calculator is a cross-platform port of the open-source Windows Calculator project. Uno Platform brought the project to Linux using Uno Platform with Skia, SkiaSharp and GtkSharp, and Canonical published the application through the Snap Store.
Microsoft’s own build instructions describe a Windows application written in C++ and C#. They require Windows 11 build 22000 or newer, Visual Studio, the Universal Windows Platform Development workload, the Windows 11 SDK and related tools. Those instructions open src\Calculator.slnx in Visual Studio and do not document a Linux build or installation.
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Install Windows Calculator on Linux with Snap
1. Check Snap support
Snap support is not enabled by default on every Linux distribution. If the snap command is missing, install and enable snapd using the setup instructions for your distribution, then sign out and back in or restart the relevant Snap services as directed by that distribution.
2. Install Uno Calculator
- Open a terminal.
- Run:
sudo snap install uno-calculatorEnter your account password when prompted. Snap downloads and installs the package named uno-calculator.
3. Launch it
Open your desktop application launcher and search for Uno Calculator. You can also try launching it from a terminal with:
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uno-calculatorLauncher integration can vary by desktop environment and distribution, so the application may appear under a different category or only after the desktop menu refreshes.
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Snap package status and maintenance warning
When checked on 28 September 2026, the Snap Store listed stable version 1.2.9-uno.339, last updated 12 September 2023. Its edge channel listed 1.2.11-uno.378, last updated 22 July 2024. The store warns that the channel has not been updated recently and may have stability or security issues.
Those version details can change. Treat the warning as a reason to review the current Snap Store listing before deploying the application on a work or security-sensitive system. Do not describe this package as actively maintained solely because it is installable.
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Flatpak alternative
Flathub lists a community-provided Flatpak port of the Snap version. Its listing is marked unverified and states that it is not affiliated with, verified by or supported by Uno Platform. The page showed version 1.2.9 and described the update as almost three years old at the time it was checked.
Choose this route only if Flatpak is already your preferred packaging system and you accept that provenance. The available evidence does not establish better performance or fresher maintenance than the Snap.
| Option | Source and trust | Setup requirement | Freshness noted on 28 September 2026 |
|---|---|---|---|
| Snap | Snap Store; Uno Platform’s announced distribution route | Snap support enabled on the distribution | Stable 1.2.9-uno.339 (12 September 2023); edge 1.2.11-uno.378 (22 July 2024); store warns the channel is not updated recently |
| Flatpak | Community-provided Flathub listing; unverified and not affiliated with or supported by Uno Platform | Flatpak support enabled | Version 1.2.9; listing described the update as almost three years old at the check date |
Can you install the native Microsoft app instead?
Not through a documented native Linux package. Microsoft’s published Calculator workflow targets Windows 11 and Visual Studio, not Linux. Microsoft’s MSIX SDK documentation discusses cross-platform client-app support for the package format, but it does not state that the Windows Calculator MSIX can be installed directly on Linux.
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Accordingly, do not treat the Windows build instructions, an MSIX package or the Microsoft branding as proof of Linux runtime support. The documented Linux choice here is the Uno port.
Troubleshooting
“snap: command not found”
Snap is not installed or is not on your path. Install and enable snapd for your distribution, then retry the installation command.
The app is missing from the launcher
Refresh or restart the desktop session and search for Uno Calculator. You can test the executable from a terminal with uno-calculator.
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsThe package installs but behaves unexpectedly
Check the Snap Store channel and its update date. The listing’s maintenance warning means that stability and security issues are possible, particularly on the edge channel.
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