As mentioned in the preceding section, you can add a theme directly from within your wp-admin if you've chosen a theme from the WordPress Theme Directory, provided you're using a current enough version of WordPress. First, navigate to Appearance, and then click on the Add New button (visible at the top), as shown in the following screenshot:
The screen that's going to appear will be very similar to the Add New Plugins screen. At the top, you'll see some familiar elements such as various sub-navigation links (Featured, Popular, Latest, Favorites, Feature Filter) along with a search box to the right. You can ...