You can download the update directly from the Siemens Industry Online Support (SIOS) portal . If you're using the version, it remains free of charge, though you should still hold a valid license certificate.
Enhanced Drive Engineering & Security Compliance for TIA Portal V16 sinamics startdrive v16 update 5
Update 5 addresses several internal errors from previous versions that could lead to project corruption or unexpected crashes when configuring complex drive units or performing online diagnostics. You can download the update directly from the
A common question: “Should I stay on V16 Update 5 or jump to V17/V18?” it remains free of charge