Follow these steps to delete files or folders:
Go to the folder or file in the File manager that you want to delete.
Hover over the object you want to delete and click on the checkbox in the column to the left of the object's name. If you want to delete multiple objects simultaneously, repeat the selection in the list.
Click on Delete.
Confirm that the object should be deleted by clicking Delete. If you have selected multiple objects, you need to type 'delete' to activate the Delete button in the dialog.
Note that the action of deleting files or folders cannot be undone.