The Archives widget creates either a link to Posts Archives or a dropdown that allows you to select a specific Archive to view. The widget will display a list of each month that posts have been published.
Title : Select a custom title to display at the top of the widget
Title Alignment : Customize the alignment for the title
Title Size : Select a heading size to use for the widget title. Sizes correspond with the settings selected in the front-end editor's Font Styles.
Display as Dropdown : Select this to display a dropdown menu of each month (Example shown below)
Show Post Counts : Select this option to display the number of posts published in each month. (Example shown below)