If you have purchased the bound edition of LOCKS, SAFES, AND SECURITY (second edition), you are entitled to free updates to LSS+ for two years, if you have also purchased a copy of LSS+. You must send either the original or a copy of the original certificate that was shipped with the book to:

LSS+ REGISTER

Box 90043

Sioux Falls, South Dakota 57109

You must also provide a copy of your product serial number. We will then automatically send the update disks when issued, for a period of one year.