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ZDNET's key takeaways
WSL 3 makes Linux on Windows more powerful.
Linux gets more direct access to GPUs and NPUs.
A pure Linux desktop is still best for AI devs.
Microsoft takes one more step towards a Linux desktop with the beta release of the open-source Windows Subsystem for Linux (WSL) 3.
At Microsoft Build 2026 in San Francisco, Microsoft introduced WSL 3 as the next stage in its Linux-on-Windows story. The company presented the system as a preview feature that will roll out to the broader Windows 11 base over time. Like previous versions, you get the system as a free component that can be updated independently of Windows through the existing WSL distribution channels, rather than as a separate product SKU.
Also: Microsoft continues its big Linux push at Build 2026
WSL 3 is not a clean break from its predecessors so much as an architectural pivot. WSL 1 relied on syscall translation to run Linux binaries, while WSL 2 switched to a lightweight managed virtual machine (VM) that runs a real Linux kernel. WSL 3 retains the familiar wsl shell experience. Additionally, you'll be able to run Linux containers under WSL 3.
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