Hi,
You can look at the below registry values
HKEY_CURRENT_USER\Software\Microsoft\Windows\Shell\Associations\UrlAssociations\http\UserChoice\Progid
HKEY_CURRENT_USER\Software\Microsoft\Windows\Shell\Associations\UrlAssociations\https\UserChoice\Progid
However, you cannot set the default browser by changing the values in Windows 10 because they are protected with the hash.
Best Regards,
Ian Xue
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