Installing the Controller requires the administration rights.
neoload_5.5_windows_<bitness>.exe, and select the Controller installation option.start /wait neoload_5.5_windows_<bitness>.exe -cneoload_5.5_windows_<bitness>.exe -q -dir <install_dir> -Vsys.installationTypeId=Controller -Vsys.component.Common$Boolean=true -Vsys.component.Controller$Boolean=true