Always run the setup.exe file by right-clicking and selecting .
Improved compatibility with Windows 7, allowing for faster and more stable engineering.
Some downloads available online are upgrade-only packages (Service Packs) that require an existing STEP 7 V5.5 base installation. Look for "direct installation version" or full ISO files if you need a complete installation. simatic step 7 v5 5 sp2 download fixed work
A frequent cause of installation failure or application crashes is running the software on an unsupported operating system. STEP 7 V5.5 SP2 was engineered during a specific era of Windows development. Supported Operating Systems Windows XP Professional SP2 or SP3 (32-Bit)
A common bug during Siemens installations is a persistent prompt stating: "Please reboot your computer before installing." Even after rebooting, the message repeats. Always run the setup
Some advanced users have modified the Setup.msi file to enable an "Ignore" button on compatibility warnings, forcing the installation to proceed. This is a dangerous practice and can lead to an unstable system.
If the tool fails, you can try copying a pre-made folder ( SIEMENS CHINESE ) to the root of the C drive and running the installer inside. If you still receive the license error after installing keys, you may need to restart the Automation License Manager service or uninstall high versions of ALM (as mentioned in Step 2) because they might block the recognition of the older V5.5 license syntax. Look for "direct installation version" or full ISO
Transfer your floating or single license via USB or network server using the ALM dashboard.
: Choose your required interface languages (English, German, French, etc.).
If the installer repeatedly tells you to restart your computer before installing, do not keep restarting. It is a registry glitch.
Used when connecting via an industrial fieldbus network (typically 1.5 Mbps).