Where can I run DSC?
You can run desired state configuration on any system which can run WMF 4.0.
From TechNet : ** Operating System Requirements Windows PowerShell 4.0 runs on the following versions of Windows. Windows 8.1, installed by default
Windows Server 2012 R2, installed by default
Windows® 7 with Service Pack 1, install Windows Management Framework 4.0 to run Windows PowerShell 4.0
Windows Server® 2008 R2 with Service Pack 1, install Windows Management Framework 4.0 to run Windows PowerShell 4.0
Windows PowerShell 3.0 runs on the following versions of Windows. Windows 8, installed by default
Windows Server 2012, installed by default
Windows® 7 with Service Pack 1, install Windows Management Framework 3.0 to run Windows PowerShell 3.0
Windows Server® 2008 R2 with Service Pack 1, install Windows Management Framework 3.0 to run Windows PowerShell 3.0**
Windows Server 2008 with Service Pack 2, install Windows Management Framework 3.0 to run Windows PowerShell 3.0 **
So, you can run DSC on anything down to Server 2008 and Windows 7.