For installation and setup instructions, please download and read the CSA Installation Guide
IMPORTANT INFORMATION:
Before you install Civil Site Design for Civil 3D 2025 or Civil 3D 2026 you must ensure you are using these Civil 3D product versions:
Civil 3D 2025: Version 2025.2.7 or higher
Civil 3D 2026: Version 2026.2.2 or higher
Before you install Civil Site Design for AutoCAD 2025 or AutoCAD 2026 you must ensure you are using these AutoCAD product versions:
AutoCAD 2025: Version 2025.1.4 or higher
AutoCAD 2026: Version 2026.1.2 or higher