How to use multiple instances of Microsoft SQL Server 2016 web edition

Question

I am planning to get SQL Server web edition licence from my server provider

https://msdn.microsoft.com/en-us/library/cc645993(v=sql.130).aspx

SQL web edition has 64 gb ram and 16 core limitation

I will run 3 websites on this server and server has 24 cores and 128 gb ram currently

So it is logical for me if I run 2 instances SQL Server and I can utilize all system resources?

However I have never used two instances of SQL Server before.

So how can I install multiple instances of SQL Server 2016 web edition and use them?

This is my static connection string currently

public static string srConnectionString = "server=localhost;database=myDB;uid=sa;pwd=myPW;";

Answer 1

I'd suggest to go with Standard edition. It might be more expensive (about $45K), but you can use all of your 24 cores and 128 gb ram by just one instance.
You do not have to have multi instances, just have everything in different databases. If you are concerned about security, then you can make databases invisible for another user.
In case you want an ability to restart services separately, then it is better to have 2-3 virtual boxes, but in this case you'd have to pay individually for each box.