Since mid-2020, Siemens has shifted to a more open access model. Here is the correct path:
Logo Soft Comfort is Siemens’ graphical programming environment for their LOGO! family of compact PLCs. Version 8.4 includes the usual visual function block editor, simulation, online debugging, and tools for creating HMI screens and data logging for LOGO! devices. logo soft comfort v8.4 download
While the LOGO Soft Comfort V8.4 download remains popular, you should be aware of newer versions: Since mid-2020, Siemens has shifted to a more