beautypg.com
DJ Controller
DDJ-S1
DDJ-S1 Serato DJ Edition
Operating Instructions
http://pioneerdj.com/support/
The Pioneer DJ support site shown above offers FAQs, information on software and various other types of information and services to allow you to use your product in greater comfort.
http://serato.com/
For the latest version of the Serato DJ software, access Serato.com and download the software from there.