The official and safest way to obtain the software is through the portal. SINAMICS STARTER - ID: 26233208 - Support - Siemens
The V5.4 release, specifically the updates, introduced critical enhancements to stability and security: Sinamics Starter V5.4 Download
: Includes updated SINAMICS Support Packages (SSP) for the latest firmware versions of various drive families. The official and safest way to obtain the