: To use the free download, you typically need a valid license number from your original software certificate or license key USB
: Starting with SP2, all licenses are supplied on a USB stick rather than the older license disks. Delivery Release: SIMATIC WinCC V6.2 SP3 and ... - Support
: This is the most current update for version 6.2. It can be requested as a free download provided you have a valid license number for WinCC V6.2 or V6.2 SP2.