Yantong Chen developed comprehensive Windows onboarding documentation for the tinyhumansai/openhuman repository, focusing on streamlining the setup process for new contributors. By authoring a detailed Windows Development Environment Setup guide in Markdown, Yantong outlined the required tools and their installation order, addressing common environment-related questions and reducing onboarding friction. The documentation was designed to be beginner-friendly and aligned with project standards, supporting scalable contributions and future Windows compatibility. This work demonstrated proficiency in Windows development, technical writing, and setup instruction, resulting in improved contributor velocity and traceable changes through Git. No bug fixes were addressed during this period, reflecting a documentation-focused contribution.