You can open à Pamhyr2 study with _File > Open study_ (or Ctrl+O) and select a `.pamhyr` file.
Other else, create a new study with _File > New study_ (or Ctrl+N).

(1) The study name
(2) The time of time format for this study (_time_ for second notation starting at 0 and _date_ for date time notation with initial date time)
(3) (Optional) Study description.
Click OK to create the new study.
This information must be modified with _File > Edit study_.
You can save the study with _File > Save_ (or Ctrl + S), _File > Save as ..._ (or Ctrl + shift + S) or click on save button {height=20px}.