Thanks for the reply. You cannot restore the services if you don't know which is missing. However, a RI should work.
A repair Install keeps everything including Files and applications and reinstalls Windows.
How to Repair Install Windows 10
http://www.yourwindowsguide.com/2016/06/how-to-...
Repair Install Windows with an InPlace Upgracde
http://www.tenforums.com/tutorials/16397-repair...
The best and the easiest way is to use first method in the first article.
Standard 3rd party link disclaimer:
There may be links to non-Microsoft websites that would provide accurate and safe information. Watch out for ads on the websites which are frequently classified as a PUP (Potentially Unwanted Products). There is no need to buy paid products to fix your computers as they do more harm than good sometimes.