Create a shortcut to start those default screensaver is a trick that works on Microsoft Windows 7, Microsoft Windows Vista and even Microsoft Windows XP.
1. Right-click the desktop and select New Shortcut:
2. To start the screen saver, you must enter the full path to the screensaver file:
% Systemroot% \ system32 \ ssText3d.scr
You can substitute the name of the screensaver ssText3d.scr by the name of your file:
3. Click Next and then click Finish. Modify the name if you want. A shortcut will be created on the Windows 7 desktop. Double click it to run the screensaver when you wish:
4. You can change the Icon to your favorite icon too. To do this, right click over the screensaver shortcut on Windows 7 desktop > Go to properties > Click change icon > Browse and select the icon you want.
If you do not know the name of the screensaver file, navigate to the folder:
C: \ Windows \ system32 \
and search with extension *.Scr, using the search box.
Once listed we will see all the names of all the screensavers installed on your system, we can use in the address field:
This is how I am running it: