1. Siemens Simatic Step 7 Download

1. You can't download Step 7. I would suggest the following: 1. Purchase the upgrade (you can go from any version to latest) and it costs about 20% of the full price.
2. Download simatic step 7 v5 windows 10 for free. Development Tools downloads - SIMATIC S7-PLCSIM + SP5 + Upd2 by Siemens AG and many more programs are available for instant and free download.

Siemens Simatic Step 7 Download

Here you can find the various step 7 downloads with various versions and most of the step7.