See
How to use ArcGIS samples
for help on compiling, setting up the debugger, and running the sample.
If the sample has associated data, you will find that the sample's zip file includes a "data" folder alongside the language folders.
However, you will need to update the sample to point to the location of the data once you have extracted all the files.
Open the solution using Visual Studio.
Add the path to your locator for the GetLocatorWorkspaceFromPath() method.
Add the name of your locator.
Build the solution.
Run the FindAddress application.
Enter an address, city, state, and ZIP Code into the text fields of the user interface (UI).