Then specify the location where you want to save the file and the name of the file you want to save.
If you want the exported PDF file to have the same name as the InDesign document, choose the “Use InDesign Document Name As The Output Filename” option.
To save the file as an interactive PDF, choose “Adobe PDF (Interactive)” from the options of ‘Save as type’ in Windows or ‘Format’ in macOS, then click ‘Save’.
After that, adjust the required settings in the “Export To Interactive PDF” window and press “OK” to complete the process.