Running a complex CAD application from a standard USB stick is painfully slow. Auto-save operations freeze for 10–15 seconds. Large assemblies (20MB+ DWG) can take 5 minutes to open. Only an NVMe SSD in a USB 3.2 enclosure works decently.
If you already own a license for AutoCAD 2016, you should install it using the official method to ensure stability and security. System requirements for AutoCAD 2016 - Autodesk download autocad 2016 portable 64 bit install
Portable versions often crash because they cannot find the necessary supporting software that is usually installed system-wide. Running a complex CAD application from a standard
Wait 3–10 minutes. You might see a fake "license activation" box—enter anything or click "Generate." download autocad 2016 portable 64 bit install