# Punaha Docs

> Official guides for installing, using, administering and integrating Punaha on your own infrastructure.

Current guides: Next (0.1 RC1 Preview), Product 0.1.0-rc.1, distribution rebuild-20261012. Reviewed 2026-10-12. Next is mutable; check each page's Product revision before applying instructions. Historical video recordings are labelled separately.

RC1 registration is unavailable. The registration allowance is 720 TPM powered-on hours, not calendar time. See the current release and registration guides for the applicable limits.

## Start here
- [Welcome to Punaha Docs](https://docs.punaha.com/next/get-started/welcome/): Learn what Punaha does and find the right guide for your work.
- [Download and verify RC1](https://docs.punaha.com/next/reference/rc1-downloads/): Choose the 12 October 2026 package for your platform and verify it before installation.
- [RC1 rebuild of 12 October 2026](https://docs.punaha.com/next/reference/rc1-rebuild-20261012/): Identify the published RC1 packages, their changes, and the checks completed for these exact binaries.
- [GPU compatibility and supported runtimes](https://docs.punaha.com/next/reference/gpu-compatibility/): Check RC1 GPU options, Intel, NVIDIA and AMD compatibility, packaged runtimes, and the limits of recorded hardware tests.
- [Understand documentation versions and releases](https://docs.punaha.com/next/reference/versions-and-releases/): Know when to use Next, the current product version, or an older documentation version.
- [Download Gemma and create your first chat](https://docs.punaha.com/next/get-started/gemma-first-chat/): Download Gemma 4 E4B from Hugging Face, upload the GGUF model to Punaha, and publish a workflow you can use in Chat.
- [Chat with your knowledge using Gemma](https://docs.punaha.com/next/get-started/gemma-knowledge-chat/): Use EmbeddingGemma to search a knowledge database, then create a Gemma chat that answers from the document and refuses missing information.
- [Check model backend health and recover GPU work](https://docs.punaha.com/next/operate/model-backend-health/): Check a model's worker readiness, review saved failures, and retest a GPU backend before using it again.
- [API reference](https://docs.punaha.com/next/api/): Choose a Product API category, then open the operation needed for your task.

## All guides
- [Versioned documentation index](https://docs.punaha.com/next/): Browse all current guides.
- [Machine-readable guide index](https://docs.punaha.com/docs-index.json): Public guide titles, summaries, version, review date and canonical URLs.
- [Sitemap](https://docs.punaha.com/sitemap.xml): Indexable public pages.

## Optional
- [Punaha product website](https://punaha.com/): Product overview.
- [Official release packages](https://github.com/HotDesk/Punaha-Releases/releases/tag/v0.1.0-rc.1-terms-v2): RC1 packages and verification files; follow the current download guide.