Helios is a low-latency game streaming host with native integration for Selene and Moonlight OS.
Publisher’s description
What is Helios?
Helios is an open-source program for Windows from Moonlight OS. It is written in C++.
Installation and requirements
Official installers exist for 64-bit as EXE (NSIS). Installation asks for administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 0.6.2, released on October 14, 2026. 2 versions are listed since August 23, 2026, each with links to its own installer files. The last update is less than a month old.
Project description on GitHub: “Game streaming host for Selene and Moonlight OS. Hard fork of Apollo/Sunshine.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Updated in the last two months
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: Helios is an open-source Windows tool for 64-bit PCs. Administrators can deploy it unattended.
Is Helios 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:
F4D46703F94F992F9BDA6CB2EA3E1E21295D325135A58A7F74C7B040CE08944E· 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 2 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.6.2Latest | October 14, 2026 | — | 64-bit EXE (NSIS) |
| 0.5.2 | August 23, 2026 | — | 64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id MoonlightOS.Helios -eHelios.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- Moonlight OS
- Licence
- GPL-3.0-only
- Price
- Free
- Source code
- github.com/moonlight-os/helios
- Written in
- C++
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Version
- 0.6.2
- Released
- October 14, 2026
- Added to the catalogue
- September 25, 2026
- Versions listed
- 2
- Website
- github.com
- winget ID
- MoonlightOS.Helios
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is Helios free?
Yes. Helios is open-source software under the GPL-3.0-only licence.
Is Helios 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 Helios 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.
Can Helios be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Helios 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 Helios?
The versions page lists all 2 versions with links to their official installer files, back to August 23, 2026.