After upgrading your system to Windows 10/11 Pro, follow the same steps above to re-enable network and to type a valid license key to activate Windows. Now, go to Settings > Update and Security > Activation, click Change product key at the right and type the following generic key to upgrade your Windows Edition. Right click on the active Network Adapter (Ethernet or Wi-Fi) and choose Disable.Ĥ. Select Ethernet (or Wi-Fi) on the left, and then at 'Related settings' section, click Change adapter options.ģ.
Right click on the Network icon in Taskbar and click Open Network and Sharing Center. If you receive the error '0x803fa067 – Unable to upgrade your edition', while trying to upgrade from Window 10/11 Home to Windows 10/11 Pro, then disconnect you computer from the network of disable your Network adapter. How to fix: Activation Errors 0x803fa067 & 0xC004C003 in Windows 10/11. But in some cases the problem occurs despite the fact that the product key you have is valid. These activation errors usually indicate that you do not have a valid digital license or product key to activate/upgrade Windows 10. Several users are reporting that they cannot upgrade Windows 10 Home to Windows 10 Pro due to error 0x803fa067 or that they cannot activate Windows 10 due to error 0xC004C003. If you unable to upgrade Windows 10 home to Pro or if you cannot activate Windows 10, continue reading below to fix the problem.