Software License Generate in VB.Net

Hardware Key or Machine Key is generally used for provide Software License.  Here we check the Processor ID of CPU, because every system have difference Processor ID.

Here we use an instance and method provider (Win32 Provider) 

and Computer System Hardware Classes (Win32_Processor)

VB.Net Code:- 

Imports System.Management

Private Sub Button1_Click()

 Dim Processor As Object = GetObject("WinMgmts:").InstancesOf("Win32_Processor")

For Each cpu In Processor

MsgBox(cpu.ProcessorId)

Next

End Sub

Get help from   Win32 Provider (Windows) - MSDN - Microsoft