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Windows License Activation Guide

# Windows License Activation Guide

## Introduction to Windows License

A Windows license is a legal authorization that allows you to use Microsoft’s Windows operating system. Whether you’re using Windows 10, Windows 11, or an earlier version, proper activation ensures you have access to all features and receive important security updates.

## Types of Windows Licenses

There are several types of Windows licenses available:

• Retail License – Purchased individually and can be transferred to another computer
• OEM License – Comes pre-installed on new computers and is tied to that specific hardware
• Volume License – For businesses and organizations needing multiple installations
• Evaluation License – Temporary license for testing purposes

## How to Activate Your Windows License

Method 1: Online Activation

This is the simplest and most common method:

1. Go to Settings > Update & Security > Activation
2. Click “Change product key” if you have a new license
3. Enter your 25-character product key
4. Follow the on-screen instructions to complete activation

Method 2: Phone Activation

Use this method if you don’t have internet access:

1. Open Command Prompt as Administrator
2. Type slui 4 and press Enter
3. Select your country and call the displayed number
4. Follow the automated instructions to receive a confirmation ID

## Troubleshooting Activation Issues

Common Problems and Solutions

If you encounter issues during activation, try these solutions:

• Error 0xC004F074 – Check your internet connection or try phone activation
• Error 0x8007007B – Verify your product key is entered correctly
• Activation watermark – Ensure your license is valid and properly activated

Contacting Microsoft Support

If problems persist, you can contact Microsoft support for assistance with your Windows license activation.

## Maintaining Your Windows License

To keep your Windows license active and valid:

• Regularly update your Windows operating system
• Keep your product key in a safe place
• Avoid using pirated or unauthorized activation tools
• Consider linking your license to your Microsoft account for easier management

## Conclusion

Proper Windows license activation ensures you get the full functionality of your operating system while staying compliant with Microsoft’s terms. Whether you’re setting up a new computer or troubleshooting activation issues, following these guidelines will help you maintain a properly licensed Windows installation.