Software Development Environment and System Requirements

Developing applications with ObjectARX for AutoCAD 2021 requires the following software and hardware:
Operating System

See Autodesk’s Product Support Lifecycle for support information.

Note: Starting with AutoCAD 2020, 32-bit support is no longer available.
Processor
Minimum: 2.5-2.9 gigahertz (GHz) or faster processor

Recommended: 3.0+ gigahertz (GHz) or faster processor

Memory
  • Minimum: 8 GB RAM
  • Recommended: 16+ GB RAM
Display Resolution

    Minimum:

  • Conventional Displays - 1360x768 with True Color, and 125% Desktop Scaling (120 DPI) or less recommended
  • High Resolution & 4K Displays - Resolutions up to 3840x2160 with True Color (Windows 10 and capable display card)
  • Recommended:

  • Conventional Displays - 1920x1080 with True Color, and 125% Desktop Scaling (120 DPI) or less recommended
  • High Resolution & 4K Displays - 3840x2160 with True Color (Windows 10 and capable display card)
Display card
Minimum: 1 GB GPU with 29 GB/S Bandwidth and DirectX 11 compliant

Recommended: 4 GB GPU with 106 GB/S Bandwidth and DirectX 11 compliant

Disk Space
1.0 GB of free disk space for installation
Pointing Device
MS-Mouse compliant
Compiler
Microsoft® Visual Studio® 2019 and C++ installed
.NET Framework
.NET Framework Version 4.8