Already with its former owner really one of the top tools to improve a picture, and it was not loosing it's flair with Google. The latter has now decided to not continuing this tool and you can download the latest versions for Windows/Mac for free (430MB):

http://www.google.com/nikcollection

A Youtube channel for further tips using those filters (not by me): https://www.youtube.com/user/NikSoftAdmin/videos

Thanks Grimmi for the info ::thumb_grin}