The Siemens part number 6AV6372-2KG87-3AA0 refers to a WinCC/Performance Monitor upgrade package. It upgrades from WinCC V7.2 to V7.3, and is intended for use with WinCC V7.3 runtime software.
Type: Software upgrade (Performance Monitor)
License: Single license
Delivery: Download-only — no physical media; requires the consignee’s email address for delivery
Product status: Discontinued as of October 1, 2019