: You can often download and install required support packs automatically using the TIA Updater tool included with your software installation. Siemens SiePortal How to Install HSP0276 Manually Download and Unzip : Download the support package from the Siemens Support Portal and extract the contents to a local folder. Open TIA Portal : Navigate to the Project View Access Support Packages : Go to the top menu and select Options > Support packages Add from File System : Click the "Add from file system" button and browse to your unzipped HSP folder. Select and Install : Check the box for HSP_V15_1_0276_001_S71200_CPU_4.3 : Added support for SSL/TLS secured communication (IPv4)