When you are ready to upgrade to a new version of Tekla Structural Designer:

1. Read the Tekla Structural Designer 2020 release notes to get to know what has changed since the previous version:

2. Check the supported operating system versions and hardware requirements for this version.

3. Update the licenses, as explained in Upgrade Tekla Structural Designer to a new version, or apply a service pack to a previously installed version as explained in Install a Tekla Structural Designer service pack.