The input data should be from worksheet column(s), and it is also required to have at least one different data range as grouped column(s).
Select required data.
From the menu, select Plot > Categorical: Grouped Violin - Indexed Data.
In the dialog that opens, plot_gboxindexed, select the group range and group theme to create the grouped violin graph.
gBox.otp (installed to the EXE folder of Origin)
This graph type is a variant of the Grouped Box Chart - Indexed Data, with the Graph Theme in the dialog plot_gboxindexed been set to Box_Violin.