The activation error 0x80041023 message states The product key you entered didn’t work (0x80041023). Consequently, users can’t activate Windows 10 when that error arises.

How can I fix Windows activation error 0x80041023?

1. Check you’re entering the product key right

2. Activate Windows 10 with the SLMGR command

3. Get a new, valid key

If you’re reinstalling Windows 10, bear in mind that the key you activated the platform with before might be one-time use MAK key. If that’s the case, you can’t active a reinstalled platform with the same MAK key.

4. Are you trying to upgrade from an OEM license?

Activation error 0x80041023 will also arise for users trying to upgrade from Windows 10 Home to Pro with OEM licenses. Those OEM licenses are only intended for new PCs. Thus, activation won’t work for Windows 10 Pro on a PC that originally came with OEM Windows 10 Home. In which case, you’ll need to reinstall the original Windows 10 Home and upgrade to the Pro edition via MS Store. To check if your product key is OEM non-transferable, reinstall Windows 10 Home. Then open the Command Prompt. Input the following line and press Enter: slmgr /dli Thereafter, a Script Host window will open that tells you your license type. If none of the above resolutions fix activation error 0x80041023, contact Microsoft support. Microsoft’s Customer Service number page includes a list of phone numbers for various regions. Let us know how you managed to resolve this issue by leaving us a message in the comments section below.

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