After a successful reboot, you must patch the software.
This is where "fixed work" comes into play. You cannot simply double-click Setup.exe on Windows 10 and walk away. You will face errors like: simatic step 7 v5 5 sp2 download fixed work
If you cannot connect to your PLC after installation, check the "Set PG/PC Interface" settings. Ensure your PC Adapter (USB or MPI) drivers are correctly installed. After a successful reboot, you must patch the software