nfsUnderwater10 - Version 1.1 nfsUnderwater10 is a free screensaver, featuring underwater life of home aquariums. Lets look inside an aquarium and admire its life. Waving grass in the foreground screen gives the impression of depth and 3D effect. Free screensavers. No spyware, no adware, virus-free. It is safe to install and run.NewFreeScreensavers.com is a website dedicated to free screensavers for Windows and MAC systems and related software, such as NFS Screensavers manager, which help to manage multiple screensavers. All screensavers are free, safe and easy downloads.