The Siemens part number 6DL5260-0DB58-0YF5 refers to a SIMIT Virtual Controller Upgrade license for 5 controllers, upgrading from version V3.0 to V9.0.

 Type: Software upgrade license (V3.0 V9.0)

 License: Floating license for 1 user

 Contents: Electronic software (E-SW), software and documentation on CD

 Activation: Requires a valid SIMIT V9.0 license/dongle, with activation via the SIMIT hotline

 Supported OS: Windows 7, Windows 10, Windows Server

 Languages: German and English

 Status: Discontinued as of November 1, 2021, with no direct replacement

 Use Case: Enables simulation of 5 virtual controllers in legacy automation environments