Mattermost for Windows

Mattermost, Inc. · Open source

Mattermost is an open-source messaging and collaboration platform that teams can run on their own servers. This desktop and mobile app connects to a Mattermost server and gives you channels, direct messages and file sharing.

Download for Windows

github.com · Official website

✓ Official source (winget)
✓ SHA256 taken from the official repository
✓ Last checked: Nov. 4, 2026
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Version: 6.3.2
Release date: Nov. 2, 2026
License: Apache-2.0
Installer type: wix

Install from the command line

How do I use this?

Type Terminal in the Start menu and open it, paste the command (Ctrl+V or right-click) and press Enter. It uses winget, Windows' own package manager, to install the program from its official source.

winget install --id Mattermost.MattermostDesktop -e

SHA256 (file verification)

f468e53a41204dee816025772934b83416dee80077b3581daa81476d55efdad8

How to install

Click the official download button on this page.
Run the installer and follow the steps.
Open the app and enter your team's Mattermost server address.

Platform pages: Windows · macOS · Linux · Android · All platforms and details