The Installation Guides are the starting point for all System Center product specific guides.
Installation Guides:
System Center 2012 SP1 in a LAB – Installation (Part A – Create The Lab Environment)
System Center 2012 SP1 in a LAB – Installation (Part B – Install the Operating System)
System Center 2012 SP1 in a LAB – Installation (Part C – Install Active Directory Domain Services)
System Center 2012 SP1 in a LAB – Installation (Part D – Install SQL Server)