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What is Project LawOS?

Project LawOS is an open source C++ operating system made by Martin Szokai in January 2026.

Updates are posted in the LawOS Discord. The current version is 33.2 LawBuild, the first desktop release with BIOS support.

Warning: The OS is still unstable and currently targets BIOS instead of UEFI.

1 published sources

2 wiki articles

16 tracked downloads

32-bit desktop build. It does not work on real hardware yet.

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32-bit terminal build with BIOS support only.

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32-bit beta build with known issues on real hardware.

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A repository-style page where people can publish source drops, install notes, downloadable files, and code snippets.

Publishing requires an account, but everyone can browse the posts.

Open Sources

A custom wiki area for articles, project lore, screenshots, technical writeups, and image-based posts.

Publishing also requires an account.

Open Wiki

Create an account or sign in to publish sources, upload files, and post wiki articles.

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Version 33.2 was released in February 2026. It includes a desktop, file manager, C++ compiler, terminal, and multitasking.