If you truly need classic AutoCAD, buy a used perpetual license from a reseller (legally transferrable) or subscribe to the latest AutoCAD and use its official cloud version—no USB required, and zero malware.
Autodesk allows subscribers to access previous versions of software. Log in to your Autodesk Account . Navigate to . Download Autocad 2007 Portable
(Portable Edition available)
“Found a portable version on MediaFire. It opened once, then crashed when I tried to array objects. Later, my Facebook account was hacked from the same PC.” If you truly need classic AutoCAD, buy a