The 2013 version (and later updates) typically functions as follows:
Automation training centers often need 20-30 virtual machines with Siemens software for students. Purchasing that many licenses is cost-prohibitive. For non-production, educational environments, EKB Install 2013 allows unlimited installations. simatic ekb install 2013
The 2013 tool was designed for Windows 7. Some APIs have changed. Fix: Run in Windows 7 Compatibility Mode : The 2013 version (and later updates) typically functions