C#: To determine OS Architecture


To determine OS Architecture

private Boolean is64BitOperatingSystem()
RegistryKey localEnvironment = Registry.LocalMachine.OpenSubKey(“SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment”);
String processorArchitecture = (String) localEnvironment.GetValue(“PROCESSOR_ARCHITECTURE”);
if (processorArchitecture.Equals(“x86”)) {
return false;
else {
return true;


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