Simatic Step 7 V5.6 Download ((new)) | Direct Link

Use V5.6 for maintaining existing S7-300/400 plants. Use TIA Portal for all new developments, even if targeting S7-300/400.

SIMATIC STEP 7 V5.6 is a robust, "classic" engineering software suite designed for the configuration and programming of automation systems Simatic Step 7 V5.6 Download