Registration and First Steps
Registration and First Steps
Create your Claude account, explore the interface, and have your first productive conversation — all in under 15 minutes.
Use my referral link to get a free week of Claude Code. If you love it and subscribe, I get $10 extra usage — win-win!
Get a Free Week of Claude Code →Step 1: Create Your Account
Getting started with Claude is straightforward. Visit claude.ai and click the sign-up button. You have several options for creating an account:
One-click sign-in with your existing Google account. Fastest option if you use Gmail.
Register with any email address. Anthropic will send a verification code to confirm your identity.
Sign in with your Apple account. Great for iOS users who want seamless access across devices.
After creating your account, you will land on the main Claude interface — a clean, minimalist chat window. There is no clutter, no overwhelming dashboard. Just a text field where you type your message and Claude responds. This simplicity is intentional — Anthropic designed the interface to get out of your way so you can focus on the conversation.
Step 2: Navigating the Interface
The claude.ai interface has a few key elements you should know about:
Chat Input
The text field at the bottom where you type your messages. You can also drag and drop files here — PDFs, images, code files, and more. Claude can analyze uploaded documents directly.
Model Selector
A dropdown at the top of the chat where you can switch between Sonnet (default), Opus (most capable), and Haiku (fastest). Pro subscribers get access to all three.
Conversation History
The left sidebar shows your previous conversations. You can rename them, organize them, and return to them anytime. Each conversation is an independent context.
Projects
A powerful feature that lets you group conversations, upload reference documents, and set custom instructions (system prompts) that apply to all chats within that project.
Artifacts
When Claude generates substantial content — code, documents, diagrams, or web pages — it appears in a dedicated panel on the right side. You can edit, copy, and download artifacts directly.
Step 3: Your First Conversation
Now for the fun part. Let us have your first meaningful conversation with Claude. Instead of starting with a vague “Hello,” try one of these practical first prompts:
“I run a small e-commerce store selling handmade candles. Help me write a welcome email sequence for new subscribers — 3 emails, friendly tone, each under 150 words.”
“Review this Python function for bugs, performance issues, and readability. Suggest improvements with explanations.” (then paste your code)
“Explain the concept of supply and demand like I am 15 years old. Use real-world examples and keep it under 300 words.”
Notice the pattern in each prompt: they specify who you are, what you need, the format, and constraints (word count, tone, number of items). This is the foundation of effective prompting that we will explore in depth in Section 3.
Step 4: Upload a File
One of Claude’s most powerful features is the ability to work with uploaded files. Try dragging a PDF, an image, a spreadsheet, or a code file into the chat. Claude can:
The ability to combine conversation with document analysis is what makes Claude especially powerful for professional workflows. You are not limited to text-only interactions — you can bring your real-world documents into the conversation and have Claude work with them directly.
What You Get on the Free Tier
The free tier of Claude gives you access to the Sonnet model with a generous daily message limit. You can upload files, use Projects, and access most features. The main limitations are the number of messages per day and no access to the Opus model. For most people exploring Claude for the first time, the free tier is more than enough to understand the tool and decide if it fits your workflow.
- Creating a Claude account takes under 2 minutes — sign up with Google, email, or Apple ID
- The interface is intentionally minimal: chat input, model selector, conversation history, projects, and artifacts
- Effective first prompts specify who you are, what you need, the format, and constraints
- Follow-up messages are where the real power lies — refine iteratively instead of starting over
- Upload files (PDFs, images, code, spreadsheets) to combine conversation with document analysis
- The free tier gives you Sonnet access with generous limits — enough to learn and evaluate
Praktický průvodce registrací na Claude, prozkoumáním rozhraní a psaním prvních efektivních promptů.
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