Is Stockfish still maintained?

Yes, active. Last change 2 days ago. Latest release sf_19, 2 months ago.

Can I trust Stockfish?

Widely used. 17k stars, 12 years old, by an organization. As with any download, get it from the official repo.

gitmanual

Reading the repo

Opening the box…

How to install on Windows

official-stockfish/Stockfish

A free and strong UCI chess engine

Shell scripts#chess#chess-engine#cpp#stockfish

Before you start

Is it free?: YesOpen source (GPL-3.0).
Still maintained?: Yes, activeLast change 2 days ago. Latest release sf_19, 2 months ago.
Can I trust it?: Widely used17k stars, 12 years old, by an organization. As with any download, get it from the official repo.

Difficulty: Easy
Time: about 5 min
Stars: ★ 17,352
Activity: Updated this month

Saved setup from 5 h ago

Will it work on Windows?

Yes, it installs on your Windows

A ready-made Windows download is in the latest release.

Your system

macOS Windows Linux

Start here

Website ↗stockfishchess.orgThe project's own site.

Download for Windows

Stockfish 19 · 9/5/2026 ↗

stockfish-windows-x86-64-universal.zip

zip · Universal · 81.4 MB · 158,344 downloads · best match

Download

Add the extracted folder to your PATH if it's a CLI tool.

Invoke-WebRequest "https://github.com/official-stockfish/Stockfish/releases/download/sf_19/stockfish-windows-x86-64-universal.zip" -OutFile "stockfish-windows-x86-64-universal.zip"
Expand-Archive "stockfish-windows-x86-64-universal.zip" -DestinationPath .

Other Windows downloads (1)

stockfish-windows-arm64-universal.zip

zip · Universal · 80.2 MB · 5,965 downloads

Download

Add the extracted folder to your PATH if it's a CLI tool.

Invoke-WebRequest "https://github.com/official-stockfish/Stockfish/releases/download/sf_19/stockfish-windows-arm64-universal.zip" -OutFile "stockfish-windows-arm64-universal.zip"
Expand-Archive "stockfish-windows-arm64-universal.zip" -DestinationPath .

Did you get it running?

No reports for Windows yet.

Still stuck? Get a written guide

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