How to Activate Windows 11 Professional with OEM Key

If you don't have Windows 11 Professional already installed, we recommend you first download and install it from here: https://www.microsoft.com/en-us/software-download/windows11

Common Errors during Activation:

• 0xc004f050 (Click here on how to fix this error)
• 0xc004c008 (Click here on how to fix this error)
• 0xc0ea000a (Click here on how to fix this error)
• If you receive any other error then please contact our Support Team through email or Contact Page for further help.

To Activate Windows 11 Professional with OEM 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

If you encounter any issues or received any error during the activation process, please contact us at support@premiumcdkeys.com or Contact Us page.