Genuine portability requires zero writes to the Windows Registry, Program Files, or AppData folders. AutoCAD 2020, by design, writes over 2,000 registry keys and installs multiple background services (e.g., Autodesk Licensing Service, FlexNet). A truly portable version is without significant modification.
A 2023 analysis by a security firm found that 84% of downloaded "portable CAD" executables contained at least one form of malware. Portable Autocad 2020
Portable AutoCAD 2020, as commonly advertised, is a misnomer. It is either a compromised, malware-ridden archive or a severely limited virtualized application that fails at professional tasks. Technically, a fully functional, registry-free AutoCAD 2020 cannot exist without rewriting the software. Legally, its use constitutes copyright infringement and DMCA violation. Operationally, it poses unacceptable security risks to individuals and enterprises. Genuine portability requires zero writes to the Windows
| Software | Portability | Cost | DWG Compatibility | |----------|-------------|------|-------------------| | (Portable version) | Yes (USB drive) | Free/Paid | Native read/write | | nanoCAD (Portable) | Yes | Free (basic) | Native read/write | | LibreCAD | Yes (open source) | Free | Limited (DXF only) | | Autodesk Web App | Browser-based | Free (with account) | Full, requires internet | | QCAD Portable | Yes | Open source | DXF only | A 2023 analysis by a security firm found