The extra windows of the software are generated with the native language of the operative system, for example, if your system is in English the pop-up windows will be in English. On the other hand, the software language is always English. In the future the team expect to unify the languages.
In the files to import the first column must have continuous values, it is used as a coordinate dependent axis.
All the images are representative, the real image can change a little depending on the operative system.