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How to Activate Windows 10 Professional with OEM Key

If you don't have Windows 10 Professional already installed, we recommend you first download and install it from here:


Common Errors during Activation:

- 0xc004f050 (Click here on how to fix this error)

- 0xC004C008 (Click 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 10 Professional with OEM Key follow this:

1.Click Start, Go to Settings

2.Select Update and Security

3.Click on Activation Tab located on the left side

4.Click on Activate or Change Product Key

5.Enter the License Key you received after purchase

6.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 or Contact Us page.

Buy a genuine Windows 10 Professional - OEM License Key from here: