The Siemens 6AV2104-0XX03-0DU8 is SIMATIC WinCC Runtime Advanced Update V13 V13 SP2, a software update package for WinCC Runtime Advanced. Here are its details:

License Type: No license included (requires a valid license for WinCC Runtime Advanced)

Supported Languages: German, English, French, Spanish, Italian, Chinese

Operating Systems: Windows 7 (32-bit, 64-bit), Windows 8.1/10 (64-bit), Windows Server 2008 R2/2012 R2/2016 (64-bit)

Functionality: Provides an update from V13 to V13 SP2 for WinCC Runtime Advanced