Issue: How to Fix Windows 10 Activation Error Code 0xC004F034?
I upgraded from Windows 8.1 to Windows 10, but I get an error code 0xC004F034 when I try to activate. I can’t see an option to phone in for activation. Could you please help?
The Error Code 0xC004F034 is a Windows 10 activation bug. It occurs when the PC’s owner upgrades the system from older Windows versions (Windows 7, 8, 8.1) to Windows 10 and navigates to the Settings -> Update & Security -> Activation -> Activate.
The Windows 10 activation process fails with an error code 0xC004F034 and the PC’s owner is restricted from a part of Windows 10 features and cannot sign into Windows account. The mentioned error code usually means that the user entered the wrong license key. However, Microsoft admitted that the problem is more often at Microsoft’s server’s end, which may get too overloaded after the release of updates and other Microsoft support products.
Therefore, if you cannot activate Windows due to the 0xC004F034 error, we would recommend postponing the activation for at least a couple of hours or the whole day. If you need to activate right now, we’ll provide a couple of alternative methods that you can try for activation.
However, before that, we would recommend you to check if the Date and Time settings are correct. Besides, the problem may also happen after the installation of third-party software or some missing system files, which are crucial for completing Windows activation. In this case, Reimage PC optimization tool can be of use. The tool will check for any Windows inconsistencies and fix them. Besides, try to disable anti-virus programs temporarily.
If Reimage found zero Windows violations, you may try the following activation methods:
Remove files from Download folder and continuously click Activation button
Many people reported that they managed to fix 0xC004F034 error by removing the content of the C:\\Windows\\SoftwareDistribution\\Download and then clicking on the Activation button, which you can find under Settings -> Update & Security -> Activation. Click the button continuously and see if the error is gone.
Activate Windows using Phone Activation
1. Press Windows key + R, type slui.exe, and press Enter.
2. Select your country and click Next.
3. Now follow the on-screen instructions and you should complete the activation successfully.
NOTE: if you are upgrading to Build 10158 or higher and you are asked for an activation key, use the following keys:
Windows 10 Insider Preview Pro Editions: 8N67H-M3CY9-QT7C4-2TR7M-TXYCV
Windows 10 Insider Preview Enterprise Editions: CKFK9-QNGF2-D34FM-99QX2-8XC4K
Windows 10 Insider Preview Home Editions: KTNPV-KTRK4-3RRR8-39X6W-W44T3
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