The Siemens part number 6AV6613-1XA51-3CK0 refers to the WinCC flexible 2008 Runtime software—specifically, an upgrade version for users of WinCC flexible 2004, 2005, or 2007 Runtime editions.

Downloadable software and license key (no physical media).

Includes features like Sm@rtAccess, Sm@rtService, OPC Server, Archives, Recipes, ProAgent, and Audit.

Compatible with Windows 7 (32/64-bit) and Windows 10 (64-bit) Professional/Enterprise.

Requires a consignee email address for delivery.

Product has entered phase-out as of October 1, 2022.