SIMATIC WinCC Unified V20 PC RT 50k upgrade V18..V19-> V20, including upgrade for Parameter Control, ProDiag, Report Execution, Collaboration, Audit Basis, Redundancy, GraphQL; runtime software in the TIA Portal; single license; with software and documentation on DVD; license key on USB flash drive; class A; please observe product release: support.industry.siemens.com entry ID: 109963696 - - content: set (1x DVD + 1x USB)