From download to your first result, in five parts.

No account walls, no config wizard. Follow the five parts below in order — each one builds on the last.

Part 1 // Installation — 5 minutes

Download, run, open.

Download

Go to the releases page, choose your OS (Mac, Linux, or Windows), download and run the installer.

Start the server

# Mac
open -a Celestos

# Linux
./celestos

# Windows
celestos.exe

Open in browser

Visit http://localhost:3000 and you'll land on the home screen (Orb).

Part 2 // Your First Request — 10 minutes

Task: summarize a PDF.

Click the input box

Drag and drop a PDF (or click to browse)

Type: "summarize this and list action items"

Press Enter or click Send

Wait for Celestos to process, then read the summary

What happened, under the hood

Celestos picked the right workflow

Downloaded and extracted the PDF

Read the content with the LLM

Formatted and showed you the result

Part 3 // Try These Next — ~15 minutes each

One request per system, to get a feel for the range.

Web Search

> Find recent posts about [topic] and summarize the top 3 sources

Browser Automation

> Open Stripe analytics so I can log in

Video Creation

> Make a 60-second TikTok from this YouTube link: [url]

Create in Studio

> design a landing page for a coffee startup with earthy tones

Set Up a Spark

> Alert me when the RTX 5090 drops below $1500

Part 4 // Configure For Your Workflow

Four settings worth visiting on day one.

Set your default model — Settings > Models. Choose local (private, free) or cloud (more powerful), and set API keys if using cloud.

Create a project — click Projects in the sidebar and start one for your current work. Celestos remembers context across sessions.

Explore the Skill Vault — click Skills in Chat, browse what's installed, and use the trigger tester to see what activates.

Try Hand Mode (optional) — Settings > Hand Tracking. Fly through your memory graph with hand gestures.

Part 5 — Next steps

Read the Workflow Packs Cookbook — 70+ real requests you can copy

Explore Hive — assemble a team of AI specialists

Check the API Docs — automate Celestos from your own code

Go to Docs

From download to your first result, in five parts.

Download, run, open.

Task: summarize a PDF.

One request per system, to get a feel for the range.

Four settings worth visiting on day one.

That's the whole learning curve. Now go describe something.