Per-user services are services that are created when a user signs into Windows or Windows Server and are stopped and deleted when that user signs out. These services run in the security context of the user account - this provides better resource management than the previous approach of running these kinds of services in Explorer, associated with a preconfigured account, or as tasks.
windows server 2016 windows 10 windowsList of historical updates for Windows Server 2016. Updates are cumulative and include all previous updates.
windows windows 10 windows server 2016 security