We recommend that you use the latest Tekla Structures service pack. In certain situations, you may need to take an earlier Tekla Structures service pack, or the related Tekla Structures version, into use even though you are already using a newer service pack.

1. Uninstall the Tekla Structures service pack software you are now using in Windows Control Panel.
2. Uninstall the related Tekla Structures environments in Windows Control Panel.
3. Install the Tekla Structures service pack software.
   1. Download the software installation file of the service pack from Tekla Downloads.
   2. Double-click the installation file to run the installation.
   3. Follow the steps in the installation wizard to complete the installation.

      You can select the installation folder and the model folder.

4. Install the Tekla Structures environments.

   The latest environments are in Tekla Downloads.

   1. Download the environment installation files related to the service pack that you have installed.
   2. Double-click the installation file to run the installation.
   3. Follow the steps in the installation wizard to complete the installation.

      You can select in the installation wizard that the environment setting files (.tsep) are installed when running the environment installation wizard.

      If you do not select to do this, the environment setting files are installed to the environment folder when you start Tekla Structures after the installation. Tekla Structures opens a dialog box that shows the installation progress.