Texas Instruments software, sold as a School-Managed Perpetual License, requires a free, annual reactivation.
In order to renew your license, you will need to log into your Texas Instruments Education Technology Software Service Center Account. This is the account you used when you first claimed the software. Once logged in, you may find step by step instructions on renewing an SML at the following link:
https://epsstore.ti.com/OA_HTML/csksxvm.jsp?nSetNumber=35494
For information regarding software reactivation, you will need to contact Texas Instruments directly.
Contact Texas Instruments
1-800 TI CARES
