Key Starcraft | License

Here’s a breakdown of what’s likely being referred to, depending on your exact intent:

Blizzard published official support articles about license keys, e.g.: license key starcraft

If you are referring to "StarCraft Create" or "SCMDraft" (often used with StarCraft Solo cutting machines), the "license key" is typically used to activate your design software: Here’s a breakdown of what’s likely being referred