MapServer for Windows (MS4W)

MapServer for Windows (MS4W) is the popular and long-time installer for Windows users developed by GatewayGeo, containing all you need to get moving fast with MapServer.

Important

2026-05-25: MS4W 5.2.0 is released! This is a security release, so all users are strongly encouraged to upgrade to this version, and follow the Securing your MS4W Installation steps (especially to Set user access permissions for ms4w.conf).

Download MS4W

• Direct download of latest installer: ms4w_5.2.0.zip / ms4w-5.2.0-setup.exe
• Download Packages
• Release archives

Join the User Forum!

https://ms4w.com/forum/

Issue Tracker

https://ms4w.com/trac/

About MS4W

• Download Packages
• Documentation
• Features
• MS4W Release History
• Roadmap
• Support
• MS4W Security Policy
• MS4W Licensing

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Proudly Developed & Maintained by GatewayGeo (c) 2026