To avoid malware or corrupted files often found on unofficial "crack" sites, use these methods: Autodesk Manage Portal
For basic drafting and editing on the go, AutoCAD Web offers a free entry point for students and educators. Risks of Unofficial "Free" Downloads
Autodesk no longer sells perpetual licenses for 2020. You cannot legally buy a new permanent license for Civil 3D 2020 today. Your only legal option to own 2020 is a monthly subscription to the current version (2024/2025) which allows you to to 2020 format.
To avoid malware or corrupted files often found on unofficial "crack" sites, use these methods: Autodesk Manage Portal
For basic drafting and editing on the go, AutoCAD Web offers a free entry point for students and educators. Risks of Unofficial "Free" Downloads
Autodesk no longer sells perpetual licenses for 2020. You cannot legally buy a new permanent license for Civil 3D 2020 today. Your only legal option to own 2020 is a monthly subscription to the current version (2024/2025) which allows you to to 2020 format.