The Siemens part number 6AV6381-2BM08-0AX0 refers to SIMATIC WinCC system software V8.0, RC 128. 

Runtime/Configuration software supporting up to 128 PowerTags

Floating license model

Delivered as a set of 3 DVDs plus a USB flash drive containing the license key

Supports 5 languages: German, English, French, Spanish, and Italian

Classified as a Class A product (standard stock item)

Part of the SIMATIC WinCC V7/V8 software family

If you're comparing this with the Asia variant or planning a system upgrade, I can help you weigh the options or check compatibility.