The Lounge is rated PG. If you're about to post something you wouldn't want your
kid sister to read then don't post it. No flame wars, no abusive conduct, no programming
questions and please don't post ads.
That "MS service/server" predates the Windows 10 (re-)implementation by a decade and, as I wrote, works.
Not sure where you're getting your 8GB of RAM figure either, I have it running in a VM with 1.5GB.
As for licensing - if you already have the server OS, the service is already built-in and won't cost you a dime more to use. My MSDN subscription provides me with all the server licenses I need. If you were talking about SQL Server licensing - if you install it on a machine with no database at all, it'll use the bare-bones Windows Internal Database.
While most of you buggerers are enjoying a quite Sunday kicking goats, my daughters started their new school today.
I was greeted with a "Hello, please pay us" and the girls abducted until 4.