To create a Package, first make sure you are in the Packages View of the Project. In the Side Menu you will notice the Packages Tab at the bottom. When selecting this view, you will have access to all previous Packages that you have created. Additionally, you will notice a button addition options located in the Toolbar related to your work with Packages.
Figure 1: Package options are available in the toolbar of the Packages View.
How to Create a Package
To create a Package which will preserve all of your Project Files in their current state, you will first need to locate the New Package button located in the Toolbar. The button represents a package with a plus sign in front of it. You will first need to select this button.
Figure 2: The New Package button is located in the Toolbar.
By selecting this button, you will now navigate to the New Package page where you will simply have to give the Package a name, and select the Create Package Button. The result of this action will create a new Package preserving all of your Project Files in their current state.
Figure 3: A name is given to a Package in the New Package page.
Once complete, you should now be returned to the Packages View of your Project where you will see the recently created Package displayed in both the Side Menu as well as the Details Window.
Figure 4: The newly created Package is listed in both the Side Menu and Details Window.