List SSL certificates on windows core and assign to service

Open PowerShell

List Certificates and copy the required thumbprint
Get-ChildItem -path cert:\LocalMachine\My

Assign the thumbprint accordingly
winrm create winrm/config/Listener?Address=*+Transport=HTTPS @{Hostname="MyServer.local";CertificateThumbprint="8036F53CC93FF35B6310DE7248EE53C9ABC22575"}