The Siemens part number 6AV6381-2BM08-0AV0 refers to SIMATIC WinCC system software V8.0 Asia, RC 128. Here's what it includes:

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 9 languages: German, English, French, Spanish, Italian, Simplified Chinese, Traditional Chinese, Korean, and Japanese

Classified as a Class A product (standard stock item)

Part of the SIMATIC WinCC V7/V8 software family