The Siemens 6ES7810-5CC10-0YR5 is an upgrade package for the SIMATIC STEP 7 Professional engineering software. This product allows users with existing licenses of STEP 7 Professional versions V12, V13, V14, or V15 to upgrade to the V15.1 version within the TIA (Totally Integrated Automation) Portal. It provides a “Combo” floating license, which grants the user rights to use both the classic STEP 7 V5.6 and the TIA Portal-based STEP 7 Professional V15.1. This package is essential for engineers and developers looking to access the latest features, improved performance, and enhanced security for programming and configuring SIMATIC S7-1200, S7-1500, S7-300, S7-400, and WinAC controllers. The software is delivered on DVD, and the license key is provided on a USB flash drive.