Unzip the file using WinZip or another program. Run the unzipped copy of the screen saver (Thailand.exe). If you are using Windows 3.1: open "Desktop Controls" in Control Panels and select the ...
To install the screensaver, simply double click on the file named "Tesla"- that's it, the screensaver is installed. To use the screensaver, navigate to: Settings/Control Panel/ Display.
[Adrian] explains that the screen saver is configured via a registry key. The key contains the path to a .scr file, which will be played by the Adobe Flash Player when the screen saver is activated.