You can use IBM® Installation Manager to update or uninstall the WebSphere® Application Server Liberty for z/OS® offering.
Certain features can be added or removed from an installed copy of the WebSphere Application Server Liberty for z/OS offering. These are called optional features. Choose the optional features for each copy of the WebSphere Application Server Liberty for z/OS code according to your needs.
IBM regularly provides updates to the WebSphere Application Server Liberty for z/OS offering to fix defects and add new function. Fix packs contain bundled service to bring WebSphere Application Server Liberty up to a new level. Interim fixes provide updates to correct individual defects. See Installing Liberty interim fixes and fix packs on z/OS operating systems .
You can use IBM Installation Manager to uninstall individual copies of WebSphere Application Server Liberty for z/OS offering code.