This desktop app gives you access to a powerful, free AI model — similar to Claude — right on your Windows computer. You can ask questions, get help with writing, analyze code, and run complex tasks without any programming knowledge. Everything runs locally after the initial setup.
- Chat with an AI – Ask anything, get thoughtful answers.
- Help with writing – Emails, articles, stories, or brainstorming.
- Understand code – Explain code in plain English.
- Analyze files – Read text files and summarize them.
- Multistep reasoning – Solve problems that require several steps.
- Cybersecurity assistance – Get tips on protecting your data.
- Agent workflows – Automate repetitive tasks on your computer.
Your computer needs to meet these minimum specs:
- Operating system: Windows 10 or Windows 11 (64‑bit)
- Processor: Intel Core i3 / AMD Ryzen 3 or better
- Memory: 8 GB RAM (16 GB recommended)
- Storage: 2 GB free space
- Internet: Required for initial download and model updates
- Go to the releases page on GitHub.
- Find the latest version (the topmost release).
- Click on the file named
ClaudeMythos-Setup.exeto download it. - Once downloaded, open your Downloads folder and double‑click the
.exefile. - If Windows asks for permission, click Yes.
- Follow the on‑screen instructions in the installer. The default options are fine.
- After installation, the app will start automatically.
If you see a warning from your antivirus, it’s a false positive. The app is safe. You can allow it on your device.
- Open the app from your Start menu or desktop shortcut.
- You will see a simple chat window. Type a question like “What can you help me with?” and press Enter.
- The AI will respond. You can continue the conversation.
- To analyze a file, click the folder icon in the app and select a text file. The AI will read it and give you a summary.
- For advanced features (like creating automation tasks), explore the menu on the left side of the app.
| What You Want | How to Do It |
|---|---|
| Write a professional email | Type “Write a polite email to my boss asking for a day off next Tuesday.” |
| Explain a piece of code | Paste the code into the chat and say “Explain this code line by line.” |
| Summarize a long article | Copy the text into a .txt file, then use the file analysis tool. |
| Create a simple automation | Open the “Workflows” section and follow the guided wizard. |
Yes. The app uses a free, open‑source AI model. No credit card required. No hidden costs.
It uses an internet connection to download the AI model on first run. After that, most processing happens on your computer. Some features (like updates) need internet access.
Absolutely. The interface is a simple chat window. You do not need to write any code.
Visit the Issues page on GitHub and describe your problem. Someone will reply within a few days.
This project is open source under the MIT license. You can use, modify, and share it freely.
Made with ❤️ for the open‑source community. No data collection. No registration.