Upgrading your current Windows to Windows 10 Pro is quite tricky and time-consuming. Aside from that, you will also encounter several errors during the entire process. One of them is the error code 0xc004f014. You’ll generally receive this activation error in the original equipment manufacturing (OEM) computers.

Furthermore, error code 0xc004f014 might also occur while updating your Windows like a .NET framework (even build upon popular programming language 2021) or other software and often due to the product key of your PC. Fortunately, there are numerous solutions out there that you can use to fix this activation problem. With that said, here are some ways on how to solve Windows 10 activation error code 0xc004f014.

Use Alternative activation Method

If you’re having some troubles while activating your Windows 10, you can try using alternative methods such as slui.exe to fix that problem. Here's what you need to do :

1. Press ‘Windows Key + R.’
2. Then type slui.exe 3 then click ‘OK.’
3. After that, enter your Windows 25-digit product key and hit enter to activate the Windows.

However, this alternative activation method will only work if you have a Valid Activation Key. If you have it, then you can follow the steps mentioned above to get rid of the error 0xc004f014 and successfully activate your Windows copy.

Use Phone Activation to Fix Error 0XC004F014

You can also solve error 0xc004f014 by activating your Windows 10 copy through Microsoft’s Phone Activation wizard. To start Windows activation via phone, just follow these easy steps:

1. Press ‘Windows Key + R’
2. Type slui.exe 4 then click ‘enter.’
3. Activation prompt will take over your computer, and you have to choose your Country/language and press ‘Next.’
4. Once you have chosen your country/language, Windows will now make an automated call.
5. You need to give your Installation ID so that you’ll be provided with a Confirmation ID.
6. After getting the Confirmation ID, hit the Activation button and follow further instructions to finish the process successfully.
7. Then, restart your PC.

Use Default Product Key

If you fail to activate Windows 10 using phone activation, you can try activating your Windows using default activation key. This product key is provided by Microsoft which activates Windows temporarily so that you can replace it with the real product key afterward. Probably due to poor software testing in 2020.

Here’s a quick guide on how to use the default product key to solve Windows 10 activation error 0xc004f014:

Step 1: Create a text file on your computer that contains the Windows 10 Pro generic registration key (VK7JG-NPHTM-C97JM-9MPGT-3V66T) and the new Windows 10 registration key.

Step 2: Disconnect all the network devices on your desktop. To do that, you need to select the start menu and click ‘network connections.’ Right click on your ‘Ethernet connection’ and choose ‘Disable.’ Repeat the procedure for Wi-Fi connections.

Step 3: Reboot your PC.

Step 4: Open the text file that you created and select the generic registration key and copy.

Step 5: Right click on the start menu and select ‘system.’

Step 6: Click on the bottom right corner and select ‘Change Product Key.’

Step 7: Paste the generic key you copied.

Step 8: In the lower right corner, click ‘Start Upgrade’ button and wait for the process to complete.

Step 9: Log in to your PC and repeat the fifth step. The Windows Edition at this moment should be ‘Windows 10 Pro’.

Step 10: open the text file you created. Click the Windows 10 pro Registration key and copy.

Step 11: Enable your Ethernet and wireless network connection again.

Step 12: Repeat the sixth step. This time, there should be two buttons on the Window which are the ‘Activate’ button and ‘Change Product Key Button.’ Select ‘Change Product Key.’