For your information, you can notice about newest version of WP Anime on this board
http://forum.xhanch.com/index.php/board,144.0.html
On that page, click on Notify button so you will get a notification email about new things/updates related to WP Anime.

You can easily download the latest version from our WP Anime downloader page and you will get your latest WP Anime package in seconds.

As the upgrade/update step, you can read this topic (accessible by WP Anime users only):
http://forum.xhanch.com/index.php/topic,3099.0.html