Display files by date and by last modified how to?

[Leo]

@Hydrops

show file sequence by name by default

Covered in Folder Formats: Quick Guide

@Hydrops

and I also want to assign the downloads folder to display files by last downloaded or modified

Save a format for that folder/path. You can do it using the Folder > Folder Options dialog in the lister, or via Preferences / Folders / Folder Formats.