TechNet Virtual Labs: System Center
Step into the System Center Virtual Labs for Free
It's simple: no complex setup or installation is required to try out System Center running in the full-featured TechNet Virtual Lab. You get a downloadable manual and a 90-minute block of time for each module. You can sign up for additional 90-minute blocks any time.
System Center 2012 Virtual Machine Manager
System Center 2012 Configuration Manager
Application Virtualization
System Center Configuration Manager 2007
System Center Service Manager
Systems Center Essentials