Use free alternatives. LibreCAD portable (via PortableApps) is clean, legal, and will open your legacy files without calling home to a crack server.
Even if the file scans clean on VirusTotal (rare), you are trusting a stranger’s modified acad.exe . They could have added code that phones home with every drawing you open—including confidential mechanical or architectural plans. autocad 2000 portable link
At first glance, the request seems logical. AutoCAD 2000—released over two decades ago (March 1999)—was a revolutionary version. It introduced the modern properties palette, improved 3D navigation, and a multi-drawing environment that veteran drafters still fondly remember. It is also lightweight enough to, in theory, run off a USB stick on an old Windows XP or Windows 7 machine. Use free alternatives