I installed the same driver(maybe an earlier version but not sure) about 4 years ago. I don't remember if it was with a proper digital signature or not but it could connect the device to the computer. This time, it couldn't.Perhaps:
https://www.thewindowsclub.com/disable-driver-signature-enforcement-windows
https://windowsreport.com/windows-11-driver-signature-enforcement/
Read the links and then search for other similar links to address remaining questions and verify what needs to be done.
Be very careful about disabling the protections.
Back up all important data before doing anything.