: You can access the trial version of STEP 7 V5.6 SP2 / S7-GRAPH V5.6 SP2 directly from the Siemens Support Page .
: Introduces mandatory password protection for CPUs (as of Hotfix 8) and provides a dedicated "SEC" (System Expansion Card) tab for monitoring license status. Simatic Step 7 V5 6 Sp2 Download --39-LINK--39-
Here are some general steps: