To use the HighPerformance Extensions Library, add to the Domain the file extensions.e3pkg, available on the Packages folder of its distribution. If users want to add files individually, copy the Extensions folder with all folders and files to the application's root folder. Then, in Studio, insert in the Domain all library (.lib) and project (.prj) files from the XLibraries and XProjects folders, respectively. Library and project files of the HighPerformance Extensions Library always use an hpX prefix, so that they can be easily differentiated from application objects.