Autodesk offers of current AutoCAD versions. For students and educators, full-featured educational licenses are available at no cost—valid for one year and renewable while you maintain student status. These cannot be used for commercial work.
AutoCAD 2007 was originally designed for Windows XP and Windows Vista. The architecture of the software relied heavily on 32-bit systems, though a 64-bit version was introduced later in the cycle. Free Download Software Autocad 2007 Portable
If you genuinely need AutoCAD 2007 (not a newer version) because you have an old CNC machine or legacy LISP routines that won't work on newer versions, there is a legal path: Autodesk offers of current AutoCAD versions
This article is for informational purposes only. The author does not endorse or encourage software piracy. Always use legally licensed software and respect intellectual property rights. AutoCAD 2007 was originally designed for Windows XP