STEP 7 V5.6 SP1 / STEP 7 Professional 2017 SR1 Trial Download One of the licenses it is available on is a TRIAL license: this is a free-downloadable version of the software, fully functional, but time-limited for 21 days (continuous from the day of installation), This might be waht you are looking for. The latest version of Step 7 is v5.6 SP1, and it runs on Win10 64-bit. Or you might try a Support Request (see the link at the top of this page).
There might be a forgotten CD of Step 7 v5.2 or v5.3 in some archive at your nearest Siemens rep's office, you would have to check with them. System requirements for SIMATIC STEP 7 V5.2 For example, here is a document concerning installation requirements for Step 7 v5.2: The versions of Step 7 that would work on Windows 2000 are all obsolete and out of production.
