A: Yes, the files are backward and forward compatible between all versions.
A: There are no new hardware requirements for v20. Learn more about Hardware Requirements.
A: Yes! You can have both RISA-3D v20 or later as well as v17 installed allowing you to use either version. Both versions can be launched from the Start Menu.
A: RISA-3D v20’s integrates with RISAFloor v16, RISAFoundation v14 and RISAConnection v13. You are still able integrate with previous versions of RISAFloor, RISAFoundation and RISAConnection by opening your model in RISA-3D v17.