C# - Computer Informationen abfragen

using System.Management;

string Hersteller;
string Modell;
string Typ;
string FreierSpeicher;

ManagementObjectSearcher system = new ManagementObjectSearcher("SELECT * FROM Win32_ComputerSystem");
ManagementObjectCollection queryCollection1 = system.Get();
foreach (ManagementObject mo in queryCollection1)
{
	Hersteller = mo["manufacturer"].ToString();
	Modell = mo["model"].ToString();
	Typ = mo["systemtype"].ToString();
	FreierSpeicher = mo["totalphysicalmemory"].ToString();
}