Course IntroductionLesson 3 of 6

Getting Started with Claude

Everything you need to create your free account, send your first message, and start getting useful results — in under 5 minutes.

What You Need

Getting started with Claude requires almost nothing. Here is the complete list:

🌐
A web browser
Chrome, Firefox, Safari, or Edge — any modern browser works.
📧
An email address
Or a Google account. That's all you need to sign up.
🆓
Free account
Claude has a generous free tier. No credit card required.

Step-by-Step: Your First Chat

1

Go to claude.ai and create your account

Open your browser and visit claude.ai. Click Sign up and choose either Google sign-in or email. Account creation takes about 60 seconds.

claude.ai/login
🧠

Welcome to Claude

Sign in to continue

No account? Sign up for free

The Claude sign-in page at claude.ai — sign up is free
2

Start a new conversation

After logging in you will see the home screen with a large text box in the centre. On the left is a sidebar showing your recent chats. To begin, just click inside the text box — it says Message Claude⬦

claude.ai
✏️ New chat
Recent
Explain recursion
Draft cover letter
Plan my week
How can I help you?
Summarise a documentWrite codeExplain a conceptBrainstorm ideas
The Claude home screen — the text box in the centre is where you type your message
3

Choose your model (optional)

Above the text box you will see a model selector showing the current model. For beginners, Claude Sonnet is the best choice — it is fast, capable, and available on the free plan. You can change it at any time.

Choose model
Claude Haiku 3.5Fast
Claude Sonnet 4Recommended
Claude Opus 4Most powerful
The model selector — choose Sonnet for most tasks
4

Type your first message and send it

Type anything you want to ask. Press Enter or click the arrow button to send. Claude will reply within a few seconds.

Not sure what to type? Here are three good first messages to try:

  • Explain machine learning in simple words
    Tests Claude's ability to simplify complex topics
  • Write a short welcome email for a new employee
    Tests Claude's writing ability
  • What are 5 things I can use you for?
    Great way to discover Claude's capabilities
5

Read the reply and continue the conversation

Claude's reply will appear below your message. You can immediately ask a follow-up, ask it to change something, or start a completely new topic — just keep typing.

claude.ai
Explain machine learning in simple words.
C

Machine learning is a way of teaching computers to learn from examples rather than writing exact instructions for every situation.

Think of it like training a dog. You don't explain the rules of “sit” in detail — you just reward the dog when it sits correctly. Over many repetitions, it learns what “sit” means.

Machine learning works the same way: show the computer thousands of examples (like photos of cats and dogs), tell it which is which, and it gradually learns to tell them apart on its own.

Claude explains a complex concept with a simple, relatable analogy

Notice how Claude used an analogy (training a dog) to make the idea easy to understand. This is one of Claude's strengths — it adapts its explanation to whoever is reading.

Useful Keyboard Shortcuts

These small shortcuts will save you time as you use Claude more often.

ActionWindows / LinuxMac
Send messageEnterReturn
New line in messageShift + EnterShift + Return
New chatCtrl + Shift + O⌘ + Shift + O
Copy Claude's replyClick copy iconClick copy icon
Regenerate replyClick ↺ iconClick ↺ icon

5 Tips for Better Results

The quality of Claude's response depends heavily on how clearly you write your message. Here are five quick habits that will immediately improve your results.

🎯Be specific
✕ Vague
Write something about marketing.
✓ Clear & specific
Write a 150-word Instagram caption for a new coffee shop launching in Mumbai.
🧑‍🤝‍🧑Tell Claude who you are
✕ Vague
Explain compound interest.
✓ Clear & specific
I am a high school student. Explain compound interest with a simple example.
📐Ask for a specific format
✕ Vague
Give me ideas for a birthday party.
✓ Clear & specific
Give me 5 birthday party ideas as a bullet list, suitable for a 10-year-old.
🔄Ask for a revision if the answer is not right
✕ Vague
(start a new chat)
✓ Clear & specific
That's a bit too technical. Can you explain it more simply, like I'm 12?
📄Paste in your own content
✕ Vague
Summarise an article about climate change.
✓ Clear & specific
Here is an article: [paste text]. Please summarise it in 3 bullet points.
You will learn advanced prompt-writing techniques in the Claude Skills section of this course. For now, just focus on being clear and specific.

Key Takeaways

  • 🆓Claude is free to start — just go to claude.ai and sign up with an email or Google account.
  • You can send your first message in under 2 minutes. No setup, no downloads, no credit card.
  • 🎵Choose Claude Sonnet for most tasks — it gives the best balance of speed and quality.
  • ✍️The more specific your message, the better Claude's reply. Clear input → clear output.
  • 🔄You can always ask Claude to refine, simplify, or redo its answer. It never minds being asked again.

What's Next

You're set up and ready to go. The next lesson covers the prerequisites — what you should know before going deeper into Claude Code.