Full features, legal, safe. Cons: Only 30 days.
Once you have successfully downloaded and installed Civil 3D 2021, you can take advantage of: Easier path-based layouts.
Q: Is it safe to download Civil 3D 2021 from third-party websites? A: No, it's not always safe to download software from third-party websites, as they may not provide legitimate or safe downloads.
Autodesk Civil 3D 2021 is a powerful BIM (Building Information Modeling) solution used by civil engineers to design and document infrastructure projects like roads, highways, and land development
Autodesk, Inc. does not offer a "permanent free version" of Civil 3D 2021. However, they provide to use the software at no cost.