Tekla supports Microsoft Windows 7 and Microsoft Windows Server 2008/2008 R2 until January 2020
Microsoft has announced that their support for Windows 7 and Windows Server 2008/2008 R2 is ending January 14, 2020. Because of this, we will not continue supporting these operating systems beyond this date either.For more information, see:
Windows Server 2008 and 2008 R2: Prepare for Windows Server 2008 end of support
We recommend that all users on Windows 7 or Windows Server 2008 (including R2) upgrade their computers to a newer Windows operating system by January of 2020.We do not guarantee that any Tekla products will work correctly on Windows 7 or Windows Server 2008 (including R2) after 14th of January 2020, nor that Tekla service teams will have the tools for solving Windows 7 or Windows Server 2008 related problems.
You can find the supported operating systems for all currently supported version of Structural Designer in Tekla User Assistance > Structural Designer > System Requirements.