About Stockfish
A free and strong UCI chess engine.
Stockfish 19.0
A free and strong UCI chess engine.
- By Stockfish
- Open Source
- Updated Sep 5, 2026
Technical details
| Publisher | Stockfish |
|---|---|
| Version | 19.0 |
| Release date | 2026-09-05 |
| License | GPL-3.0 |
| Installer type | zip |
| Architecture | x64, arm64 |
| Package ID | Stockfish.Stockfish |
Install Stockfish from the command line
- Install with Windows Package Manager
winget install --id=Stockfish.Stockfish -e- Update to the latest version
winget upgrade --id=Stockfish.Stockfish -e- Uninstall
winget uninstall --id=Stockfish.Stockfish -e
Stockfish version history
- 18.0
- 17.1
- 17.0
- 16.1
- 16.0
Frequently asked questions
Is Stockfish free?
Yes. Stockfish is free and open-source software released under the GPL-3.0 license.
What is the latest version of Stockfish?
The latest version is 19.0, released on Sep 5, 2026.
Is it safe to download Stockfish?
The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 3c8bf1f9ea66a09350a40df4f632288285ac206d99f33ab5842c408fc30b48a7.
Which Windows versions does Stockfish support?
Stockfish runs on Windows and is available for 64-bit (x64), ARM64 systems.
How do I uninstall Stockfish?
Open Settings › Apps › Installed apps, find Stockfish and select Uninstall. From the command line, run winget uninstall --id=Stockfish.Stockfish -e.
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