Solid Edge Cannot 3D print from Solid Edge on Windows 7

I cannot 3D print directly from Solid Edge to a 3D printer on Windows 7.  Why?

Solution

Direct 3D printing from Solid Edge to a 3D printer is only supported with ST10 on the Windows 10 operating system.
 
This is documented in the Solid Edge Help:
 
https://docs.plm.automation.siemens.com/tdoc/se/110/se_help/#uid:xid1329642

Hardware/Software Configuration

Platform: INTL64
OS: window
OS Version: 764SP1
Product: SOLID_EDGE
Application: PART/SHEETMETAL
Version: V110.0
Function: FILE

Ref: 002-8002435