For Windows XP/Vista

1. Click "Download for Windows" to download the screen saver.

2. Save the screen saver to your desktop.

3. Locate the screen saver on your desktop, right-click the file, and select "Install" from the menu.

4. The Display Properties window will open with the Screen Saver tab selected. Press "OK" to install.

Note: Deleting the .scr file will uninstall the screen saver.

For Mac OS X

1. Click "Download for Mac" to download the screen saver.

2. After the file has downloaded, locate and open NGC_Screen_Saver.

3. Click the "Install" button.

4. After the installer has finished, your System Preferences will open. Select the "NGC_CustomScreenSaver" from the list.