1-Build the SearchWords project in release mode. 2-In the command line, go to the solutions output directory ('.\SearchWords\SearchWords\bin\Release'). 3-Execute the program by writing the program name and supplying the path to search the text files. "SearchWords.exe c:\TextFiles" 4-It has been supplied a folder with some text files to try ('.\text files'). 5-Also it can be run from visual studio, supplying the argument destination path on the project properties page on the Debug tab.