Windows 10: Never receive the upgrade Windows 10 Pro digital license key

Hi all, Recently I have done an upgrade from windows 10 home to windows 10 pro through the Microsoft store, but until now I never receive any email from Microsoft that supplying the license keys for the purchase I have done. It is important to have a record of the key as in the future I need to change hardware then I can use back the digital license keys. Please help me. Thank you.

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Windows 10 Pro Digital License

Hello,

Earlier I had Windows 10 Home installed on my PC which I activated by my digital license key.

Then I upgraded to Windows 10 Pro via Windows Store.

During upgrading I didn't receive digital license key for Windows 10 Pro.

Based on this I have the following question: when I want to perform clean installation of
Windows 10 Pro on my laptop will I have to install Windows 10 Home firstly (with my digital license) and only then upgrade to
Windows 10 Pro for free? Or will I be able to install Windows 10 Pro at once and activate it by my digital key of
Windows 10 Home?

Thank you for advance.

 

Digital license key

What do you mean by digital license "key"? I've heard of a digital license for Windows 10, and I've heard of a Product Key for Windows 10, but I've never heard of a digital license key.

 

Upgrade Window 10 Home digital license with Windows 10 Pro product key

When trying to upgrade from windows 10 home to windows 10 pro we are getting this error 0xc004f050. The original license is a digital license and the upgrade we are trying to perform is a purchased license key.