In this part, you will install the `ModularCrm.Catalog` module to the main application, which is created in the previous part.
In this part, you will install the `ModularCrm.Catalog` module to the main application, which was created in the [previous part](part-01.md).
Before installing the `ModularCrm.Catalog` module to the main application, let's create a "main" folder and move the `ModularCrm` module to it to tidy up the solution structure. Right-click to the solution root on the *Solution Explorer* panel, and select *Add* -> *New Folder* command:
## Creating an ABP Studio Solution Folder
Before installing the `ModularCrm.Catalog` module to the main application, let's create a "main" folder and move the `ModularCrm` module (the main application) to it to tidy up the solution structure. Right-click to the solution root on the *Solution Explorer* panel, and select *Add* -> *New Folder* command:
After the folder is created, now you can move the `ModularCrm` module to the `main` folder (simply by drag & drop). The _Solution Explorer_ panel should look like the following figure now:
Select the `ModularCrm.Catalog` and `ModularCrm.Catalog.UI` packages from the left area and the `ModularCrm` package from the middle area as shown in the preceding figure. Finally, click _OK_.
Select the `ModularCrm.Catalog` and `ModularCrm.Catalog.UI` packages from the left area and ensure the`ModularCrm` package from the middle area was checked as shown in the preceding figure. Finally, click _OK_.
## Building the Main Application
@ -68,6 +70,4 @@ Open the *Solution Runner* panel, click the *Play* button (near to the solution
## Summary
In this part, you installed the `ModularCrm.Catalog` module to the main application and run the solution to test if it has successfully installed.
In the next part, you will learn how to create entities, services and a basic user interface for the catalog module.
In this part, you installed the `ModularCrm.Catalog` module to the main application and run the solution to test if it has successfully installed. In the [next part](part-03.md), you will learn how to create entities, services and a basic user interface for the catalog module.