OEM Activator thus far...

import windows

proc GetSystemFirmwareTable(FirmwareTableProviderSignature: DWORD,

                             FirmwareTableID: DWORD,

                             pFirmwareTableBuffer: PVOID,

                             BufferSize: DWORD): DWORD{.stdcall, dynlib: "kernel32", importc: "GetSystemFirmwareTable".}



proc EnumSystemFirmwareTables(FirmwareTableProviderSignature: DWORD,

                               pFirmwareTableBuffer: PVOID,

                               BufferSize: DWORD): DWORD{.stdcall, dynlib: "kernel32", importc: "EnumSystemFirmwareTables".}

proc GetWin8Key(verbose: bool = false): cstring =
      var
        FirmwareTableProviderSignature, BufferSize, FirmwareTableID: DWORD
        vpFirmwareTableBuffer: PVOID
        BytesWritten: DWORD
        pFirmwareTableID = ptr DWORD
        foundTable: bool = false

      FirmwareTableProviderSignature = cast[DWORD](cstring("ACPI")) # Possibly a problematic line of code??? (YES, FOUND SOLUTION THOUGH)
      # Original VC++ code: FirmwareTableProviderSignature = 'ACPI';

      # get buffer size, call with null values

      BufferSize = EnumSystemFirmwareTables(FirmwareTableProviderSignature, nil, 0)

      # alloc memory

      vpFirmwareTableBuffer = alloc0(BufferSize)

      # enum acpi tables

      BytesWritten = EnumSystemFirmwareTables(FirmwareTableProviderSignature, vpFirmwareTableBuffer, BufferSize)

      # enumerate ACPI tables, look for MSDM table

      pFirmwareTableID = cast[ptr DWORD](vpFirmwareTableBuffer) # Possibly a problematic line of code??? (DEFINITELY, NOT SURE OF A FIX YET)
      # Original VC++ code: pFirmwareTableID = (DWORD*)pFirmwareTableBuffer;
      var d = (BytesWritten div 4)-1
      for i in countup(0, d):
        FirmwareTableID = pFirmwareTableID[]