Hello there,
It is required as far as this article goes.
Driver packages that pass Windows Hardware Lab Kit (HLK) testing can be digitally-signed by WHQL. If your driver package is digitally-signed by WHQL, it can be distributed through the Windows Update program or other Microsoft-supported distribution mechanisms.
https://learn.microsoft.com/en-us/windows-hardware/drivers/install/whql-release-signature
Hope this resolves your Query !!
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