The Siemens part number 6AV6381-2CB07-3AK3 refers to a SIMATIC WinCC RC Client upgrade from V7.X to V7.3, specifically for RC Clients without RC 128. It’s a runtime/configuration software package with a single floating license, delivered as a digital download only—no physical media is included.

License Type: Single license (floating)

Delivery: Software and license key download (email address required)

Languages: German, English, French, Spanish, Italian

Supported OS:

Windows 7 Professional/Enterprise/Ultimate + SP1 (32-bit & 64-bit)

Windows 8.1 (64-bit)

Windows Server 2008 R2 + SP1 (64-bit)

Windows Server 2012 (64-bit)

Net Weight: Approx. 0.001 kg

Country of Origin: Germany

Lifecycle Status: Discontinued as of October 1, 2019

Compliance: RoHS compliant; no SVHC substances reported