Download and install Windscribe VPN on your iPhone or iPad by following these steps:

1. Visit the official Apple website or the Windscribe VPN website to download the latest version of the app.

2. Once downloaded, open the app and select the correct device (iPhone or iPad) and version.

3. Enable "防安装未知来源" to protect your device.

4. After installation, go to Settings, then User Profile, and set your Apple ID.

5. Navigate to Settings > Network & Connections, and select the appropriate IP address and settings.

6. Input your password when prompted to access external networks.

7. Test the connection by typing a URL or entering a command.

8. If problems occur, check for errors in your input or review the app's documentation.

9. Save all settings for future access.

10. Consider adding security features like "防Continue After Use" and "防止IP被滥用."

11. Update the app regularly to ensure compatibility and security.

By following these steps, you can successfully use Windscribe VPN on your Apple device.