Simple Answer
Don't go there. It's not that simple, and if you search, you will find it's not worth the trouble.
Your options are Revit Server, Panzura, Nasumi or similar ..If you check the cost of these solutions, you will find C4R is the better Deal. Maybe you don't need Worksharing? You can have Cloud Models in BIM360 as part of your Subscription, but then only one person at a time can work in the Model.