Microsoft Open-Sources WSL 3: A New Chapter for Windows/Linux Developers0

• Linux Basics, System Administration, Web Servers
• June 11, 2025

Microsoft has just announced a milestone: the Windows Subsystem for Linux (WSL) is now open-source. At Build 2025, the company confirmed that the WSL codebase has been published on GitHub, allowing anyone to download, build, and modify it. In the official announcement, Microsoft wrote “the code that powers WSL is now available on GitHub … and open sourced to the community”.