An Open Source Minecraft launcher with the ability to manage multiple instances, accounts and mods.
Publisher’s description
What is PolyMC?
PolyMC by PolyMC is open-source Windows software in the launchers & mods category. It ranks 43rd by popularity among launchers & mods in this catalogue. It is written in C++.
Installation and requirements
The publisher provides EXE (NSIS) installers for 64-bit Windows. It can be installed for the current user only, without administrator rights. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 8.1, released on October 3, 2026. The version history goes back to April 2, 2024: 5 releases, all linked to the official files. That is about 2 releases a year. The last update is less than a month old.
Popularity and file types
The source code on GitHub (PolyMC/PolyMC) has 2,106 stars. Similar programs include Vortex, LOOT and Mod Organizer.
Project description on GitHub: “A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once (Fork of MultiMC)”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
- Updated in the last two months
Cons
- No native ARM64 build
In short: PolyMC is an open-source launchers & mod tool for 64-bit PCs. Administrators can deploy it unattended.
Is PolyMC 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:
51C2E3D69A446111D356F2E2953D3BAA8B9563D3F4E7F630C1524ECF1735ED63· 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 5 versions ›5 versions over 3 years · about 2 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 8.1Latest | October 3, 2026 | — | 64-bit EXE (NSIS) |
| 8.0 | September 30, 2026 | — | 64-bit EXE (NSIS) |
| 7.1 | February 13, 2025 | — | 64-bit EXE (NSIS) |
| 7.0 | February 13, 2025 | — | 64-bit EXE (NSIS) |
| 6.1 | April 2, 2024 | — | 64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id PolyMC.PolyMC -ePolyMC-Windows-Setup-amd64-8.1.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- PolyMC
- Category
- Launchers & mods
- Licence
- GPL-3.0
- Price
- Free
- Source code
- github.com/PolyMC/PolyMC
- Written in
- C++
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Version
- 8.1
- Released
- October 3, 2026
- Added to the catalogue
- April 2, 2024
- Versions listed
- 5
- Updates / year
- 2
- GitHub stars
- 2,106
- GitHub forks
- 301
- Website
- github.com
- winget ID
- PolyMC.PolyMC
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is PolyMC free?
Yes. PolyMC is open-source software under the GPL-3.0 licence.
Is PolyMC 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 PolyMC 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 PolyMC be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does PolyMC 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 PolyMC?
The versions page lists all 5 versions with links to their official installer files, back to April 2, 2024.
Can I use PolyMC without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to PolyMC?
Vortex, LOOT, Mod Organizer, SteamCleaner and Achievement Watcher. The alternatives page compares them.
