I want to sort files in Nautilus by modified date, similar to sorting files by modified date in Windows Explorer.
How can I sort files in Nautilus by modified date?
It is simple. From the Menu Bar, click View -> Arrange Items -> By Modification Date :)
Alternatively, depending on the view of your File Manager, you can simply do one of these:

Right-click on an unoccupied area of your File Manager, select Arrange Items -> By Modification Date

Simply click Date Modified in the bar on top of file list.
To choose between ascending and descending, you can click on the Date Modified in the bar once again, or use Arrange Items -> Reversed Order from View menu or right-click menu.