Step 7 MicroWIN SMART V3.0 is the latest version of PLC programming for the S7-200 SMART Series. Cretally, it brings more new features and functions. Download Step7 MicroWIN SMART 3.0 free on 365evn.
What’s New In Step 7 MicroWIN SMART V3.0
Step 7 MicroWIN SMART 3.0 and PLC S7-200 SMART v3.0 released many new features and functions. You can read the details of the change in version 3.0 in the previous post on 365evn.

System Requirements for Step 7 MicroWIN SMART 3.0
Your computer and operating system must meet the following requirements:
- Windows 10 (32-bit or 64-bit) or Windows 11
- At least 1 GB of free hard disk space
- Minimum screen resolution of 1024 x 768 pixels with small font setting
- Mouse supported by Microsoft Windows
- One of the following cables for communication with S7-200 SMART V3.0:
- Ethernet cable connected to Network Interface Card
- USB/PPI Multi-Master cable for serial communication

Incompatible products
You cannot install and run the STEP 7 Micro/WIN SMART V3 on the same computer with the following Siemens products:
- SIMOTION SCOUT
- STARTER Commissioning Software
Potential Conflicts with SIMATIC NET
If you have SIMATIC NET V6.2 or earlier installed on your computer, you might receive the following error when installing STEP 7 MicroWIN SMART V3.0:
- “Fatal error in SIMATIC NET Component sntieno.dll“
- “Installation of protocol siem_isotrans failed with error code hr=0x80070430“
If you receive this error, follow these steps:
- Finish the installation and reboot your computer.
- Use Add/Remove Programs to uninstall STEP 7 Micro/WIN SMART V3 and reboot your computer.
- Install STEP 7 Micro/WIN SMART V3.0 again. After the installation, you will not receive the error.
Install S7-200 SMART V3 PLC Programming Software
During installation, virus protection software may block the installation of software or dependent shared components. To ensure the software can be installed and works correctly, deactivate the anti-virus protection during installation. For example, an active Trend Micro anti-virus blocks the access during dependent component S7DOS installation, which makes it is not possible to get life list results via PROFINET. To install STEP 7 MicroWIN SMART V3.0, follow these steps:

- Log in with administrator privileges.
- Close all applications, including the Microsoft Office Toolbar.
- Double-click the “Setup.exe” file to start the setup program.
- Follow the displayed instructions to complete the installation.
Download STEP 7 MicroWIN SMART V3

- Source: Siemens Automation Software
- File name: 365evn.com_STEP 7 MicroWIN SMART V3.0.ISO
- Software Type: PLC Software for Siemens S7-200 SMART Series
- File type: ISO
- File Size: 1.10 GB
- File Version: v3.0.0 – Latest Version
- Windows Supported: Windows 10/ Windows 11
- Languages: English/ Chinese
- Link download fast speed – STEP 7 MicroWIN SMART V3
- S7-200 SMART System Manual V3 Download
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