After you receive the software update, installed it and are running in Full Evaluation mode, you will need to Release the previous software license from your workstation, so you can Activate the new software License for the update.
In Windows, click Start.
On the Start menu, select All Programs, SoftDraft, LLC and click the SDLicenseMgr icon.
The SoftDraf Activation Form Wizard appears as shown below.
Click Release button and wait until the dialog below appears.
Click OK to close the dialog. The license has now been removed for activation on another system.
You can now Activate the software update License on this workstation.
All software products listed herein are products of SoftDraft, LLC and not Autodesk® products. Autodesk®, AutoCAD®, and the AutoCAD® logo are registered in the U.S. Patent and Trademark Office by Autodesk®, Inc.