Tekla 21.1 System Requirements ((top)) Jun 2026

To get the best performance out of Tekla 21.1, consider the following:

Tekla relies heavily on single-threaded performance for interactive modeling. More cores help with drawing generation, numbering, and clash detection. tekla 21.1 system requirements

While Tekla Structures 21.1 is no longer current, it remains functional on Windows 10 with a dedicated GPU, fast single-core CPU performance, and ample RAM. For new projects, upgrading to Tekla 2023+ is strongly recommended for better performance, security, and BIM interoperability. To get the best performance out of Tekla 21