> For the complete documentation index, see [llms.txt](https://unity.zoeimmersive.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://unity.zoeimmersive.com/bridge-xr/start-here/previous-version.md).

# Previous version

Use this section to understand how Bridge XR fits together.

Start here if you are new to the platform.

* Read **Overview** for the product model.
* Read **Getting Started** for the main rollout path.
* Read **Roles & Permissions** to identify each audience.
* Read **Architecture & Requirements** to understand the core components.
