Contributed comprehensive local testing documentation for the rancher/k3k repository, focusing on end-to-end setup of K3k on k3d environments. The work detailed step-by-step instructions for initializing k3d, installing K3k with Helm, creating virtual clusters, and retrieving kubeconfig, all aimed at improving reproducibility for developers. The documentation was reorganized by consolidating the how-to guide into development.md, streamlining onboarding and centralizing technical resources. Utilizing Markdown and Bash, the approach emphasized clarity and maintainability, with all changes traceable to specific commits. No bugs were addressed during this period, as the primary focus remained on documentation quality and developer workflow enhancement.