# OpenAI (DALL-E 3) API Setup Guide

## Getting the OpenAI API Key
1. **Sign Up for OpenAI**: Visit the [OpenAI website](https://openai.com/) and create an account or log in.
2. **API Key Generation**: Navigate to the API section and generate a new API key. Make sure to note it down securely.

## Setting the API Key as an Environment Variable
### For Windows (Command Prompt):
1. Open Command Prompt.
2. Type `setx OPENAI_API_KEY "Your-API-Key"` and press Enter.

### For Windows (Using System Properties):
1. Right-click on 'This PC' or 'My Computer' on your desktop or in File Explorer.
2. Select 'Properties'.
3. Click on 'Advanced system settings'.
4. In the System Properties window, go to the 'Advanced' tab and click 'Environment Variables'.
5. Under 'System variables', click 'New'.
6. For 'Variable name', enter `OPENAI_API_KEY`.
7. For 'Variable value', enter your actual API key.
8. Click 'OK' to close each window.

### For Unix/Linux/Mac:
1. Open Terminal.
2. Add `export OPENAI_API_KEY="Your-API-Key"` to your shell profile file (like `.bashrc` or `.zshrc`).
3. Reload your profile with `source ~/.bashrc` or `source ~/.zshrc`.
4. Verify the variable by running `echo $OPENAI_API_KEY`.
