Complete the installation; the toolbox will be automatically integrated.

Scan the list for "Curve Fitting Toolbox." If it's missing, follow the download steps below. Method 1: Using the MATLAB Add-On Explorer

Once installed, you can access the Curve Fitter app in two ways: Install Curve Fitting Toolbox - MATLAB Answers - MathWorks

Download and run the installer for your operating system ( Windows, Mac, or Linux ).

During the installation process, sign in and select your license.

Compatible with Windows, macOS, and Linux versions supported by your specific MATLAB release.

In the section, click the Add-Ons icon and select Get Add-Ons .