STEP7 Manager V5.7 / Professional 2021 SR3 is PLC S7-300 / PLC S7-400 programming software from Siemens, launched in June 2025 and is also the latest version to date. Famous for its high customizability, ease of use and outstanding stability, STEP7 has become the top choice for automation engineers. Most notably, STEP7 V5.7 Professional 2021 software supports installation on Windows 10 and Windows 11.
Step 7 Professional is a comprehensive software suite, including Step 7 V5.x and many other extension tools. Specifically, Step 7 Professional includes:
- Step 7 V5.x
- Graph language (used for programming graphical interfaces)
- SCL language (Structured Control Language)
- PLC SIM simulation software (helps simulate and test PLC programs before actual deployment)
Both Step 7 Professional and SIMATIC Step 7 Professional (TIA Portal) are called Step 7 Professional. However, when working in TIA Portal, the software will be clearly labeled SIMATIC Step 7 Professional (TIA Portal) to easily distinguish it from the Step 7 Classic version.
Features of STEP7 V5.7 / Professional 2021 SR3
+ Friendly interface: STEP7 Manager version V5.7 has improved the interface to become simple and easy to see, helping users to easily access and use.
+ Programming support: STEP7 provides powerful tools such as Function Block Diagram (FBD), Ladder Diagram (LAD), and Structured Control Language (SCL).
+ Simulation support: Provides simulation capabilities to help test and fix errors before applying in practice.
+ Simple and modern programming support for PLC S7-300 and S7-400
This software package includes the software list:
+ Simatic Step7 V5.7 SP3
+ S7‑GRAPH V5.7 SP1
+ S7‑SCL V5.7 SP3
+ S7‑PLCSIM V5.4 SP8…
Software Siemens STEP7 Download
1. Download via GoogleDrive 
>>> Download STEP7 V5.7 / Professional 2021 SR3
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