To compile a screen saver file
You created a project (.SSP file). Only this file can be saved/reloaded/modified in the built-in editor window. Then you want to compile your project. You are going to create a a new stand-alone screen saver file. The file format will be compatible with Windows screen savers (.SCR). When compiled, you'll be able to use it personnally or to distribute it as is. No install procedure will be created.
See Compile a screen saver file
Note
The Screen Saver (.SCR) that has been created, can't be modified or decompiled.