--- a/host/Capture/NvFBC.cpp
+++ b/host/Capture/NvFBC.cpp
@@ -119,12 +119,20 @@ bool NvFBC::Initialize(CaptureOptions * options)
     return false;
   }

+  // Secret password that enables NvFBC for GeForce cards. Use of
+  // NvFBC requires that you install the NVIDIA Capture SDK and run
+  // NvFBCEnable.exe -enable in an elevated cmd:
+  // C:\Program Files (x86)\NVIDIA Corporation\NVIDIA Capture SDK\bin\NvFBCEnable.exe -enable
+  int magic[] = { 0x0D7BC620, 0x4C17E142, 0x5E6B5997, 0x4B5A855B };
+
   NvFBCCreateParams params;
   ZeroMemory(&params, sizeof(NvFBCCreateParams));
   params.dwVersion       = NVFBC_CREATE_PARAMS_VER;
   params.dwInterfaceType = NVFBC_TO_SYS;
   params.pDevice         = NULL;
   params.dwAdapterIdx    = 0;
+  params.pPrivateData      = &magic;
+  params.dwPrivateDataSize = sizeof(magic);

   if (m_fnCreateEx(&params) != NVFBC_SUCCESS)
   {