If you cannot afford Civil 3D, these free/open-source tools can handle some civil tasks:
If you specifically need version or 2021 instead of the current release: autodesk autocad civil 3d 2020 free download 2021
provide legitimate ways to download and use the 2020 version. 1. Free Educational Access (For Students & Educators) Eligible students and educators can obtain a free one-year license If you cannot afford Civil 3D, these free/open-source
: Once you have a valid license (educational or trial), you can often find previous versions (up to 3–4 years back) listed in your Autodesk Account under "All Products and Services". If you cannot afford Civil 3D