At TI, we are constantly working on ways to improve our products for the classroom. After you update the operating system on a TI-84 Plus CE or TI-84 Plus CE Python graphing calculator, you will not be able to downgrade.
TI-84 Plus CE family graphing calculator updates
TI Connect™ CE software application
How to check your TI Connect™ CE software version
TI Connect™ CE software will allow you to send the updated OS and apps to your calculator. Download and save the software to a location that you can easily find.
TI-84 Plus CE operating system and apps
How to check your TI-84 Plus CE OS version
Download this single file to update both the OS and apps on your TI-84 Plus CE. Connect your TI-84 Plus CE to your computer and open your TI Connect™ CE software. You may connect and update as many calculators as the available USB ports on your computer allow. Drag the new OS and apps bundle file from the folder on your computer to the TI Connect™ CE software.
The Apple logo is a trademark of Apple Inc., registered in the U.S. and other countries. Windows is a registered trademark of its owner. Chromebook™ is a trademark of Google LLC.