1. Install dotnet core (if not installed already):
To Check if installed, go to Command Prompt and type: dotnet
Comes bunded with VS 2017

https://www.microsoft.com/net/download/core


2. Go to Models Folder in Command Prompt. 
You can do that by going to the directory Internship.Models in File Explorer, then type "cmd" on the Address Bar of File Explorer.

3. Type the follwing two commands

dotnet ef migrations add Init

dotnet ef database update