Just when youre about to activate your Windows PC, the error code 0xC004F074 pops up.

This prevents you from continuing with the activation process and forces you to use your PC with limited features.

In this case, well take a look at how theWindows UpdateandActivation troubleshooterscan help you fix this activation issue.

Windows 10 PC on a desk

To do this, youll need to run a command using the Software Licensing Management Tool (slmgr).

Wait for the process to complete and then reset your setup.

So, the best way to avoid this issue is tobuy a genuine copy of Windows.

Running the Windows Update troubleshooter

If youre encountering this issue on a genuine copy of Windows, then try using a different activation method.

If youve been using a product key, try activating using a digital license instead.

Alternatively, trytransferring a digital licensefrom one of your Windows devices.

Running the Windows Activation troubleshooter

4. suspend the Fast Startup Feature

TheFast Startup featurehelps reboot your PC faster than normal.

However, this feature might limit some of your PC’s functionalities.

For example, it could restrict you from accessing the BIOS/UEFI parameters or even affect your Windows updates.

Windows 10 Painting on a wall

So, this feature might even be the reason youre encountering activation issues on your gadget.

To get started, execute the DISM tool by following these steps:

Wait for the scan to complete.

Now you could run an SFC scan.

Disabling the Fast startup feature

To get started, open theCommand Promptas per the previous steps.

From there, pressOKto wrap up the tab.

And if you’re using a third-party antivirus program, you might also need to temporarily switch it off.

Selecting the Turn Windows Defender Firewall on or off option

But then be sure to switch it on again immediately after activating Windows.

Contact Microsoft Support

If things dont work out, perhaps its time tocontact Microsoft support.

When you get in touch with them, you could request them to change or reset your product key.

Turning off the Windows Defender Firewall

Otherwise, theyll provide the best advice on how you’re able to easily activate Windows.

In most cases, you might need to provide your PC specs.

So, be sure tocheck and back up your PC specsin case theyre needed in the process.

Contacting Microsoft Support

If you come across the 0xC004F074 activation error, simply apply any of the methods weve provided.

And if you still encounter activation issues, rest assured and know that theres a workaround for that too.