How to install OS-COMMERCE

http://forums.oscommerce.com/topic/162231-quick-install-guide/
http://www.siteground.com/tutorials/oscommerce/oscommerce_manual_installation.htm
http://www.siteground.com/tutorials/oscommerce/oscommerce_installation.htm
Best one :
http://www.oscommerce.info/confluence/dashboard.action
http://www.autho-rity.info/2008/08/22/step-by-step-installation-guide-for-oscommerce/
http://www.youtube.com/watch?v=GlUlg0QAKYI

Video-Tutorial
http://webnet77.com/flash-tutorials/oscmmerce/index.html

Quick Information
http://www.oscommerce-solution.com/oscommerce-beginners-guide.php