Legacy Zemax softkey licenses include 6-digit alpha-numeric serial numbers beginning with 'L' or 'T' (e.g. This does not apply to any USB license as they come already activated. This article applies to software licensed via legacy Zemax softkey licenses. This article describes how to activate or transfer a Zemax legacy softkey license when working on an isolated computer without internet access. If you are using Ansys-licensed versions of Zemax software, see Ansys Zemax licensing overview and guides. The steps are the same for all Zemax products. In order to activate licenses on such computers, a manual process must be followed. This article describes how to activate a new license or transfer a Zemax legacy softkey license when working on an isolated computer without internet access.
