This version introduced the "Dark Theme" ribbon and interface, designed to reduce eyestrain and complement the dark model space used by most professionals .
: AutoCAD requires specific .NET Frameworks and C++ Redistributables. Portable versions often crash because they cannot find these dependencies on a host computer. Autocad 2015 Portable
If you absolutely must test a downloaded file (in a sandboxed virtual machine with no network access), here is how to verify it: This version introduced the "Dark Theme" ribbon and
Unofficial "portable" versions are not supported by Autodesk and often present the following issues: Autocad 2015 Portable
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