# Raydo Book > Official operating manual for installing, using, and understanding Raydo Desktop. Raydo Book is hosted at https://book.raydo.ai and maintained at https://github.com/RaydoAI/raydo-book. ## Main sections - [Start here](https://book.raydo.ai/docs/start-here): The shortest path into Raydo Desktop. - [Installation](https://book.raydo.ai/docs/installation): macOS, Windows, updates, portable builds, and setup troubleshooting. - [User Guide](https://book.raydo.ai/docs/user-guide): Chat, projects, app connections, previews, deliverables, and daily workflows. - [How-to Guides](https://book.raydo.ai/docs/how-to): Step-by-step guides for common Raydo tasks. - [Privacy & Safety](https://book.raydo.ai/docs/privacy-safety): Local-first behavior, permissions, provider boundaries, and diagnostics. - [Concepts](https://book.raydo.ai/docs/concepts): Product concepts explained for users, not secondary development. - [Release Notes](https://book.raydo.ai/docs/release-notes): Product and documentation changes. - [Contributing](https://book.raydo.ai/docs/contributing): Improve Raydo Book without turning it into a secondary development manual. ## Chinese sections - [中文文档](https://book.raydo.ai/zh/docs): Raydo Desktop 的安装、使用与产品说明。 - [从这里开始](https://book.raydo.ai/zh/docs/start-here): 理解 Raydo Desktop 的最短路径。 - [安装 Raydo](https://book.raydo.ai/zh/docs/installation): macOS、Windows、更新、便携版和安装问题排查。 - [用户指南](https://book.raydo.ai/zh/docs/user-guide): Chat、项目、连接、交付物和日常工作流。 - [操作指南](https://book.raydo.ai/zh/docs/how-to): Raydo 常见任务的分步说明。 - [隐私与安全](https://book.raydo.ai/zh/docs/privacy-safety): 本地优先、权限、连接、provider 边界和诊断信息。 ## Source - [GitHub repository](https://github.com/RaydoAI/raydo-book) - [Full LLM context](https://book.raydo.ai/llms-full.txt)