Quick start

You can get real value from Lunar in one conversation. This guide walks you through the recommended path from zero.

1. Create your account

Open Lunar and sign up with your email. Your chats, Spaces and files are tied to your account, so creating one early means everything you do is saved and available on any device.

[!NOTE] You can start chatting before signing up, but anonymous usage is limited and what you do is not carried over when you create your account later.

2. Start your first chat

Use the sidebar to start a new chat. The sidebar is home base: every session you open is listed there, so you can return to any conversation later with its context intact.

3. Pick a mode and a model

Each chat has a conversational mode that changes how Lunar teaches:

• Study — guided explanation, ideal for learning a topic from scratch.
• Learn — exploratory, good for connecting ideas across topics.
• Review — consolidation, focused on what you have already covered.
• Research — demanding analysis with rounds of evidence checking.

If you are not sure, keep Study and the default model (Lunar Classic); you can switch both at any time without losing your history. See Models when you want the full comparison.

4. Send your first message

Ask something concrete: "Explain how FFT works, step by step, with an example." If you have your own material, attach the PDF or your notes so the answer is grounded in your content.

5. Use your first citation

Key terms in the answer appear highlighted. Click one and a side panel opens with a definition anchored to your conversation — and you can keep asking about it right there. You can also select any passage of an answer to ask about it in a microchat, in this chat, or save it as a citation. See Interactive citations.

6. Know where things live

• Sidebar — your chats and Spaces.
• Space — long-term home for a subject: classes, memory, files, concept tree.
• Library — every file you have uploaded.
• Study map — per-session concepts, flashcards, tests and summaries.

[!TIP] Finish by opening the study map of your first session and running a quick flashcard round the next day. That is the core loop of Lunar: talk, extract, review.

Where everything lives

Every article in this documentation has its own web address, on top of the full reader. If you arrived from a search engine you are on the single-article view; the sidebar lets you move through the rest without losing your place.

In Spanish, each article has a counterpart at /docs/<article-name>.