Developed comprehensive IntelliSense setup documentation for the embedded-purdue/slayterHIL repository, focusing on streamlining the onboarding process for C and C++ developers. The work involved creating detailed Markdown guides that walk contributors through configuring Visual Studio Code, specifically addressing the alignment of .vscode/settings.json paths for compiler and compile_commands.json files. By clarifying IDE setup steps and referencing concrete configuration examples, the documentation improved the reliability of local development environments and reduced setup inconsistencies. This contribution emphasized documentation and IDE configuration skills, ensuring that new and existing contributors could quickly establish a productive workflow tailored to the project’s technical requirements.