About UniFi OS Server
Ubiquiti's Self-Hosting UniFi platform
UniFi OS Server 5.1.42
Ubiquiti's Self-Hosting UniFi platform
- By Ubiquiti Inc.
- Terms of Service
- Updated Sep 8, 2026
Technical details
| Publisher | Ubiquiti Inc. |
|---|---|
| Version | 5.1.42 |
| Release date | 2026-09-08 |
| License | Terms of Service |
| Installer type | nullsoft |
| Architecture | x64, arm64 |
| Package ID | Ubiquiti.UniFiOSServer |
Install UniFi OS Server from the command line
- Install with Windows Package Manager
winget install --id=Ubiquiti.UniFiOSServer -e- Update to the latest version
winget upgrade --id=Ubiquiti.UniFiOSServer -e- Uninstall
winget uninstall --id=Ubiquiti.UniFiOSServer -e- Silent install with the offline installer
"de50-windows-x64-msi-5.1.42-3500d5bc-1b49-42c0-8627-f3615b716801.exe" /S
UniFi OS Server version history
5.1.37 Aug 16, 2026
5.1.19
Frequently asked questions
Is UniFi OS Server free?
UniFi OS Server is terms of service software from Ubiquiti Inc.. Check the publisher's license terms for pricing and usage rights.
What is the latest version of UniFi OS Server?
The latest version is 5.1.42, released on Sep 8, 2026.
Is it safe to download UniFi OS Server?
The download button links to the official installer published on fw-download.ubnt.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 909db093a48d4091453dfbf52e31994f99dee00d763d4ee885310587aed48562.
Which Windows versions does UniFi OS Server support?
UniFi OS Server runs on Windows and is available for 64-bit (x64), ARM64 systems.
How do I install UniFi OS Server silently?
Run the offline installer with "de50-windows-x64-msi-5.1.42-3500d5bc-1b49-42c0-8627-f3615b716801.exe" /S, or install it with Windows Package Manager: winget install --id=Ubiquiti.UniFiOSServer -e --silent.
How do I uninstall UniFi OS Server?
Open Settings › Apps › Installed apps, find UniFi OS Server and select Uninstall. From the command line, run winget uninstall --id=Ubiquiti.UniFiOSServer -e.
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