Solid Edge is a 3D CAD, parametric modeling software developed by Siemens. The Student Version is a free version of the software, intended for students and educators.
You're looking for a download link for Solid Edge ST6 Student Version. Here are some details and potential resources:
After downloading and installing Solid Edge ST6 Student Version, you'll need to activate it using a license. Siemens provides a student license, which is free, but requires registration.