Unlike generic DWG/DXF viewers, the 2021 version of the HICAD Viewer focuses on:
As of 2025, ISD (now part of Siemens) has likely superseded the 2021 standalone viewer with cloud-based solutions. However, you can still find the official 2021 package through: hicad viewer 2021
Note: As of 2024-2025, support for HICAD 2021 is waning. Most developers have shifted focus to subscription-based cloud viewers. You should check the official developer's site (often or similar) to see if the 2021 viewer is still available for download. Unlike generic DWG/DXF viewers, the 2021 version of