How to Activate Windows 11 Pro Retail CD Key

If you purchased a Windows 11 Pro Retail CD Key, follow the steps below to activate your license correctly.

Before starting, make sure your PC is connected to the internet and that Windows 11 Pro is already installed on your device.

1. Check Your Windows Edition

Your key must match the Windows edition installed on your PC.

A Windows 11 Pro key will only activate Windows 11 Pro. It will not activate Windows 11 Home.

To check your edition:

1. Click Start
2. Open Settings
3. Go to System
4. Select Activation
5. Check the Windows edition displayed on the page

Make sure it says Windows 11 Pro.

2. Open the Activation Settings

Once you confirm that Windows 11 Pro is installed, stay on the Activation page.

Go to:

Settings > System > Activation

This is where you can enter your product key.

3. Click “Change Product Key”

On the Activation page, look for the option called:

Change product key

Click Change.

A new window will open where you can enter your Windows 11 Pro Retail CD Key.

4. Enter Your Windows 11 Pro Retail CD Key

Type or paste your 25-character product key into the box.

The key format looks like this:

XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

Please make sure there are no extra spaces before or after the key.

Then click:

Next

5. Activate Windows

After entering the key, click:

Activate

Windows will now connect to Microsoft’s activation servers and verify your license.

If the key is valid and the correct Windows edition is installed, your system should activate successfully.

6. Restart Your PC

After activation is complete, restart your computer.

Then check the activation status again by going to:

Settings > System > Activation

You should see that Windows is activated.

7. What to Do If Activation Does Not Work

If the key does not activate, please check the following:

• Make sure you installed Windows 11 Pro, not Windows 11 Home
• Make sure your internet connection is working
• Make sure the key was entered exactly as shown
• Restart your PC and try again
• Run the Windows Activation Troubleshooter from the Activation page

8. Contact Support If You Still Need Help

If your Windows 11 Pro Retail CD Key still does not work, please contact our support team at:

[e-mail]

Please include:

• Your order ID
• A screenshot of the activation error
• A screenshot showing your Windows edition
• A short explanation of the issue

Our support team will check your case and help you with the next steps.