Build 56544 supports IFC 4.0 export. It is worth noting that it does not support IFC 4.3 (geology), but for structural steel and concrete, it is fully functional. The 64-bit architecture allows exporting models larger than 2GB to IFC without crashing—a major limitation of the 32-bit era.
To prevent installation errors (such as the infamous "Installation Failed" message), complete these steps: Trimble Tekla Structures 2020 build 56544 -x64-...
Tekla Structures requires a valid license to run. Build 56544 supports IFC 4