Texas Instruments TI-Nspire CX II Manual Book page 6

Click LEARN MORE to view licensing and other information on the
Note:
Education Technology
3. Click the SIGN IN button.
The Texas Instruments SIGN IN dialog will display.
4. Enter your Texas Instruments account sign in credentials.
When the document prompt displays, you can select to open an existing .tns file or
create a new one.
2 TI-Nspire™ CX II Online Calculator
website.
TI