Visit the Texas Instruments website and download the free trial of the TI-Nspire CX Student Software.
To help me tailor any specific conversion steps for you, tell me:
A significant limitation of nCreator is its dependence on your calculator's operating system (OS). According to discussions on TI-Planet, to use files created with nCreator, your calculator must be running an older, unupdated OS:
What of TI-Nspire calculator do you have? (CX, CX CAS, CX II?)
Calculators have small storage capacities. Keep your TNS files under 5MB by converting only the chapters or sections you need immediately.