After analyzing the risks, the legal landscape, and the available alternatives, here is the final verdict:
The most popular emulator for older TI calculators is Wabbitemu (for Windows) or TilEm (for Linux/Mac).
To ensure you get the right file, check your needs:


After analyzing the risks, the legal landscape, and the available alternatives, here is the final verdict:
The most popular emulator for older TI calculators is Wabbitemu (for Windows) or TilEm (for Linux/Mac).
To ensure you get the right file, check your needs: