You can update via LiveUpdate or from your account. Find out more by going to the link below.

http://www.reallusion.com/iclone/iclone_upgrade.asp

v4.31 (4.31.2517.1) released 20th January-11

• Fixed: Memory leak issue in 3D view.
• Fixed: Camera keys will now be removed from the respective timeline track after clicking on "Remove All Animation".
• Fixed: The "Look At" keys which were previously not appearing on the light track.
• Fixed: Loading issue with certain objects.
• Enhanced: Content purchase entrance now moved from Backstage application to Reallusion City Marketplace.
• Added: "Update" button for verifying purchased DRM content within the current project.