To transfer a license to a new or upgraded computer, first transfer it to the license key server at Dassault Systèmes SolidWorks Corporation, then reactivate it on the other computer.
If you were unable to transfer the license to Dassault Systèmes SolidWorks Corporation (because of hard drive failure, for example), reactivation is still successful in most cases. If not, contact your VAR for help.
To transfer a license back to the server: