Windows 10: Can I get a refund for accidently buying two Windows 11 Pro upgrades for same PC?

I accidently bought two Windows 11 Pro licenses for the same machine at the same time. Clicked Buy twice. How can I get refund for one of the purchases?

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Windows 11 Pro - Where to Buy today?

Here's Microsoft's official steps to Upgrade Windows Home to Windows Pro (microsoft.com).

1. Select Start > Settings > System > Activation.
   
2. Under Upgrade your edition of Windows, select Open Store
   
3. Make sure you’re signed in with your Microsoft account to purchase Windows 11 Pro
   
4. After you confirm your purchase, you’ll be prompted to install Windows 11 Pro and restart your PC. You’ll then be running Windows 11 Pro.
   

 

Windows 11 pro upgrade refund

I just purchased windows 11 pro but i already have windows 11 . i dont want to spend 200$ rather than 100 $ for the upgrade. I have not used the product key from my purchase yet. How do i get a refund for the entire download that i spent 200$ on rather than 100 for the upgrade?

 

Windows 11 Pro Upgrade from Windows 10 Pro Edition

No but after it installed the malfunctioning Windows 11 upgrade it was listed as Windows 11 Pro. Microsoft Windows support advised I reinstall Windows 10 Pro and said that Windows 11 is really only meant for new PC's that come with it preinstalled. MSI website doesn't list my 2020 GT76 Titan dt-039 notebook on their Windows 11 upgrade eligibility list so I guess that's why the Windows 11 Pro upgrade failed. I suggest being careful with trying the Windows 11 upgrade despite it stating my notebook was capable of running Windows 11 it was wrong. Luckily I have the original Windows 10 Pro USB Flash drive because the Windows 11 Pro upgrade was so incomplete I had no way of reverting notebook back to Windows 10 without reinstalling from a USB Flash.