Instead, embrace the legal, lightweight, and truly portable 32-bit CAD applications available today. They won’t have every bell and whistle of AutoCAD 2024, but they will run on your old hardware, fit on a USB stick, and most importantly—they won’t infect your computer with malware.
If you genuinely need a 32-bit version of AutoCAD (not portable, but installable), you have limited options. Autodesk allows you to download older versions if you have a subscription or an older perpetual license. Autocad Portable 32 Bit
Even if the portable version runs, it often leaves orphaned registry entries that can crash your legitimate software later. Some "portable" tools inject DLLs that conflict with Windows system files. Instead, embrace the legal, lightweight, and truly portable