In the Catalog pane, right-click Folders and select Add Folder Connection.
In the left column, click My Computer. In the right column, click C:/ > Users > gistrain.ADRICE and single click on Downloads. Click OK.
In the Catalog pane, expand Downloads.
Fully expand all folders and geodatabases in the Downloads folder.
We will repeat the above process to connect to a folder containing a sample of NHGIS data. In the Catalog pane, right-click Folders and select Add Folder Connection.
In the left column click My Computer. In the right column, click gisdata (\\file-rnas.rice.edu)(R) > Short_Courses_HIST207 > HIST207_GDC2 > and single-click on NHGIS_Data and click Data. Click OK.
In the Catalog pane, expand NHGIS_Data.
Your 'Folders' directory should look like the below.

In the Catalog pane, click the US_tract_1980_Harris_County geodatabase feature class located in the NHGIS folder and drag-and-drop it into the Intro_Part2.gdb. A progress bar will appear that reads 'Copying...' Once it is complete, you will see a copy of US_tract_1980_Harris_County inside the Intro_Part2.gdb as shown below.
Repeat the above step to drag-and-drop Major_Rivers from the Major_Rivers.gdb into the Intro_Part2.gdb.
COH_HISTORIC_SITESLANDMARKS is a Shapefile feature class, so it requires a different method to be imported into the Project Geodatabase. In the Catalog pane, right-click on COH_HISTORIC_SITESLANDMARKS.shp and select Export > Feature class(es) to geodatabase.
In the Geoprocessing pane, accept default settings as shown below and click Run.
In the Catalog pane, right-click on Intro_Part2.gdb and select Refresh.
Your Project Geodatabase should now contain three Geodatabase feature classes: COH_HISTORIC_SITESLANDMARKS, Major_Rivers, and US_tract_1980_Harris_County.
In the Catalog pane, in the Folders section, right-click on Downloads and select Remove.
Repeat Step 7 to remove the connection to the 'NHGIS_Data' folder.