How to install a screensaver in Windows XP.
Download Shadyside.zip to your desktop and double click on the file.
When it opens, you will see Shadyside.exe.
double click on Shadyside.exe and it will open a window showing
the installation path which will be C:\Windows\System32\
Don't change the path.
Now, just click the "Install" button and the Shadyside screensaver
will be installed in the correct location.
How to Use the Screensaver:
Right click on your desktop and choose Properties > Screensaver.
Use the drop down menu to choose "Shadyside".