1. Open Visual Studio 2017.
2. Now, open the solution from the previous recipe. Click File | Open | Open Project/Solution, or press Ctrl + Shift + O, and select the Chapter6.Threads solution. 
3. Press Ctrl + Shift + B for a quick build to check that everything is fine. 
4. Click on the Chapter6.Threads solution label. Click File | Add | New Project.
5. In the Add New Project template dialog box, expand the Visual C# node in the left-hand pane. 
6. Select .NET Core and select Console App (.NET Core) in the right-hand pane:

7. Now, in the Name: textbox, type Chapter6.Threads.ThreadsCore as the name of the project. The rest of the fields should be left as they are: 

8. Click OK.
9. Now, the Solution Explorer (press Ctrl + Alt + L) should display like this: 

10. Right-click on the Dependencies label in the Chapter6.Threads.ThreadsCore.
11. Select Add Reference.

12. In the Reference Manager, click on the Projects label in the right-hand pane: 

13. Check the Chapter6.Threads.ThreadLib project in the left-hand pane.
14. Click OK.
15. Now, double-click on the Program.cs label in the Solution Explorer.
16. Scroll up in the code window and add the following using directive:

      using Chapter6.Threads.ThreadLib;

17. Now, delete any existing code generated by Visual Studio in the Main() method and add the following code:

      var threads = new ThreadGenerator();
      var output = threads.StartThreads();

      Console.WriteLine(output);
      Console.ReadLine();

18. Press F5 to execute the app.

19. You should see output like this:

20. Press Enter to exit.