: Students can download free versions of Creo (like Creo 12) by registering through the PTC Education portal, which provides a link to the ZIP installer and a PDF with installation instructions. Creo 3.0 Installation - PTC Community
If you are trying to download the software installer itself as a ZIP file: Download Creo zip
The primary "feature" for downloading a zip in Creo typically refers to the or Save a Copy functionality, which allows you to archive an entire assembly and its dependencies into a single compressed file. How to Download/Save an Assembly as a ZIP : Students can download free versions of Creo