Windows 11 Professional Retail Key

To Activate Windows 11 Professional Retail Key, you must follow the following steps so that you do not encounter Problems.

How to Activate Windows 11 Professional Retail Key

If you don’t have Windows 11 Professional already installed, we recommend you first download and install it from here : Download Now!

To Activate Windows 11 Professional with Retail Key follow this :

1. Click Start -> Go to Settings
2. Click on System -> Activation
3. Click on Activate or Change Product Key
4. Enter the License Key you received after purchase
5. Done, now your Windows is fully activated and you will have access to Premium features

Or you can follow this:

1. Search “Activation settings” in your Windows search bar
2. Click on Activate or Change Product Key
3. Enter the License Key you received after purchase
4. Done, now your Windows is fully activated and you will have access to Premium features

Common Errors during Activation

How to fix error 0xc004f050 – Windows 11 Pro Retail

Error 0xc004f050 can show up due to the wrong Windows edition installed or pending updates if you are using the product key to upgrade from the standard Windows 11 Home edition to Pro.

How to fix error 0xc004f050 if you have the standard Windows 11 Home edition :

1. Type “check for updates” in Windows search.
2. Download and Install all updates.
3. Disconnect your device from the internet.
4. Now enter the product key you have received after purchase.
5. Restart your Device.

If after the restart nothing changed, then please enter the product key again and it should work this time

Note: ignore any error that shows up when you enter the key while you are disconnected from the internet

If you have other editions installed like Windows 11 Pro N, Windows 11 Home Single Language, Windows 11 Enterprise or etc, then you will need to do a clean installation:

1. Download link: Windows 11.
2. How to do a clean Installation Guide (Text): Clean Install Windows 11.
3. How to do a clean Installation Guide (Video): Clean Install Windows 11.

How to fix error 0xC004C008 – Windows 11

If error 0xC004C008 shows up then please proceed with Phone Activation process:

1. Type “SLUI.exe 04” in Windows Taskbar.
2. Select your Country and then click next.
3. You will see your Installation ID (EG. Link).
4. Call the Toll free number and they will provide you your Confirmation ID to Activate your Windows

• YouTube Video Tutorial : (Link).

If you don’t want to contact the Toll-Free number or their services are busy then you can send us the screenshot of Installation ID and we will contact them on your behalf and provide you the Confirmation ID.

– Please send the Installation ID screenshot to “support@resaal.com” and they will get back to you as soon as possible.

How to fix error 0xc0ea000a – Windows 11

Error 0xc0ea000a is related to the OS in order to fix it you can follow this

1. Open Powershell as administrator.
2. Enter the following command: slmgr -ipk Your product key here.
3. Then enter this command: slmgr -ato

Restart your device for changes to apply and your Windows will be successfully activated.

Need help?

If you run into any problems or have any questions, please reach to us through our Contact us page or our support email “support@resaal.com”.

Our support team is available 24/7 at your Service.