While it is a fantastic piece of software, trying to run it on a modern PC (Windows 11 or macOS Sonoma/Ventura) is nearly impossible. The 32-bit installers and outdated eLicenser drivers will not function on current hardware.
If you find a website offering a direct "Cubase 7.5 Free Download" with a crack or keygen, you are entering a legal grey zone that is actually just black and white: Cubase 7.5 Free Download