Assuming you want a short product/feature listing for a feature named "Topaz Vivacity Key Link", here’s a concise set of feature statements you can use in marketing, a spec sheet, or UI copy.
The refers to the legacy activation server workaround. Because the original authentication servers are offline, a "key link" usually does one of two things: topaz vivacity key link
As a legacy product, Topaz Vivacity does not use the modern email-based login system. You must have an original to activate it. Assuming you want a short product/feature listing for