For registration the easy way (via CompuServe):
    GO SWREG (Shareware Registration)
    The registration id. is 3895.

For registration the traditional way send a check or money order for $12.50 to:

TechSys Consulting Inc., 300 Lenora St. Suite 254, Seattle, WA 98121

You will receive the registered copy of the SAVER SWITCHER package with 4
screen savers of the SCREEN KILLER edition (including the famous SCREEN
KILLER and the SAVER SWITCHER, that automatically switches between all
of your screen savers for more fun and entertainment).

Please add US$ 3.50 shipping for orders outside North America or US$ 2.00 for
orders from Canada and Mexico.