1) When viewing a list, simply choose Create New List from the dropdown menu next to Current List.
2) On the My Lists page, you may also choose Create New List from the dropdown menu next to Current List…
…or choose Options > Create New List.
3) From the Advanced Search or any search results page, go to Options on the main menu and choose Create New List.
Once Create New List is chosen, a pop-up will appear prompting you include more list information. When you finish filling out that form, click Create List.