Select additional language – enables you to choose the language or languages you want to install and the media that you are going to use for this installation.
Apply the National Language Support – builds the NLSINST job in the IOA INSTWORK library. This job allocates the language libraries, adds SMP/E DDDEFs for the language target and distribution libraries, performs the RECEIVE operation for the language FMIDs and PTFs, which are located in the lang8000 member in the BASEPREF.NLSSUPP library, and runs the SMP/E APPLY and ACCEPT jobs for the language support.
Submit the job and verify that all steps ended with a completion code of 4. For detailed information see the INCONTROL for z/OS Installation Guide: Installing.