diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec
index 18dddf928cf..64fdb6fdb24 100644
--- a/dlls/ntdll/ntdll.spec
+++ b/dlls/ntdll/ntdll.spec
@@ -711,6 +711,7 @@
 @ stdcall RtlFreeThreadActivationContextStack()
 @ stdcall RtlFreeUnicodeString(ptr)
 @ stdcall RtlFreeUserStack(ptr)
+@ stdcall RtlGetDeviceFamilyInfoEnum(ptr ptr ptr)
 @ stdcall RtlGUIDFromString(ptr ptr)
 @ stub RtlGenerate8dot3Name
 @ stdcall RtlGetAce(ptr long ptr)
diff --git a/dlls/ntdll/rtl.c b/dlls/ntdll/rtl.c
index 0d0b2d370f3..a077108b8d0 100644
--- a/dlls/ntdll/rtl.c
+++ b/dlls/ntdll/rtl.c
@@ -2193,3 +2193,15 @@ char WINAPI RtlQueryProcessPlaceholderCompatibilityMode(void)
     FIXME("stub\n");
     return PHCM_APPLICATION_DEFAULT;
 }
+
+/*********************************************************************
+ *           RtlGetDeviceFamilyInfoEnum [NTDLL.@]
+ */
+void WINAPI RtlGetDeviceFamilyInfoEnum(ULONGLONG *version, DWORD *family, DWORD *form)
+{
+    FIXME("%p %p %p: stub\n", version, family, form);
+
+    if (version) *version = 0;
+    if (family) *family = DEVICEFAMILYINFOENUM_DESKTOP;
+    if (form) *form = DEVICEFAMILYDEVICEFORM_UNKNOWN;
+}
diff --git a/dlls/ntdll/tests/rtl.c b/dlls/ntdll/tests/rtl.c
index 754f5b711dd..4a4370d5903 100644
--- a/dlls/ntdll/tests/rtl.c
+++ b/dlls/ntdll/tests/rtl.c
@@ -99,6 +99,7 @@ static void *    (WINAPI *pRtlFindExportedRoutineByName)(HMODULE,const char *);
 static NTSTATUS  (WINAPI *pLdrEnumerateLoadedModules)(void *, void *, void *);
 static NTSTATUS  (WINAPI *pLdrRegisterDllNotification)(ULONG, PLDR_DLL_NOTIFICATION_FUNCTION, void *, void **);
 static NTSTATUS  (WINAPI *pLdrUnregisterDllNotification)(void *);
+static VOID      (WINAPI *pRtlGetDeviceFamilyInfoEnum)(ULONGLONG *,DWORD *,DWORD *);
 
 static HMODULE hkernel32 = 0;
 static BOOL      (WINAPI *pIsWow64Process)(HANDLE, PBOOL);
@@ -142,6 +143,7 @@ static void InitFunctionPtrs(void)
         pLdrEnumerateLoadedModules = (void *)GetProcAddress(hntdll, "LdrEnumerateLoadedModules");
         pLdrRegisterDllNotification = (void *)GetProcAddress(hntdll, "LdrRegisterDllNotification");
         pLdrUnregisterDllNotification = (void *)GetProcAddress(hntdll, "LdrUnregisterDllNotification");
+        pRtlGetDeviceFamilyInfoEnum = (void *)GetProcAddress(hntdll, "RtlGetDeviceFamilyInfoEnum");
     }
     hkernel32 = LoadLibraryA("kernel32.dll");
     ok(hkernel32 != 0, "LoadLibrary failed\n");
@@ -3754,6 +3756,27 @@ static void test_RtlFindExportedRoutineByName(void)
     ok( proc == NULL, "Shouldn't find forwarded function\n" );
 }
 
+static void test_RtlGetDeviceFamilyInfoEnum(void)
+{
+    ULONGLONG version;
+    DWORD family, form;
+
+    if (!pRtlGetDeviceFamilyInfoEnum)
+    {
+        win_skip( "RtlGetDeviceFamilyInfoEnum is not present\n" );
+        return;
+    }
+
+    version = 0x1234567;
+    family = 1234567;
+    form = 1234567;
+    pRtlGetDeviceFamilyInfoEnum(&version, &family, &form);
+    ok( version != 0x1234567, "got unexpected unchanged value 0x1234567\n" );
+    ok( family <= DEVICEFAMILYINFOENUM_MAX, "got unexpected %lu\n", family );
+    ok( form <= DEVICEFAMILYDEVICEFORM_MAX, "got unexpected %lu\n", form );
+    trace( "UAP version is %#I64x, device family is %lu, form factor is %lu\n", version, family, form );
+}
+
 START_TEST(rtl)
 {
     InitFunctionPtrs();
@@ -3802,4 +3825,5 @@ START_TEST(rtl)
     test_RtlInitializeSid();
     test_RtlValidSecurityDescriptor();
     test_RtlFindExportedRoutineByName();
+    test_RtlGetDeviceFamilyInfoEnum();
 }
diff --git a/include/winnt.h b/include/winnt.h
index e9fef20c76d..e1de2f29ecd 100644
--- a/include/winnt.h
+++ b/include/winnt.h
@@ -5915,6 +5915,63 @@ typedef struct _TAPE_GET_MEDIA_PARAMETERS {
 			      )
 /* ------------------------------ end registry ------------------------------ */
 
+#define DEVICEFAMILYINFOENUM_UAP                    0x00
+#define DEVICEFAMILYINFOENUM_WINDOWS_8X             0x01
+#define DEVICEFAMILYINFOENUM_WINDOWS_PHONE_8X       0x02
+#define DEVICEFAMILYINFOENUM_DESKTOP                0x03
+#define DEVICEFAMILYINFOENUM_MOBILE                 0x04
+#define DEVICEFAMILYINFOENUM_XBOX                   0x05
+#define DEVICEFAMILYINFOENUM_TEAM                   0x06
+#define DEVICEFAMILYINFOENUM_IOT                    0x07
+#define DEVICEFAMILYINFOENUM_IOT_HEADLESS           0x08
+#define DEVICEFAMILYINFOENUM_SERVER                 0x09
+#define DEVICEFAMILYINFOENUM_HOLOGRAPHIC            0x0A
+#define DEVICEFAMILYINFOENUM_XBOXSRA                0x0B
+#define DEVICEFAMILYINFOENUM_XBOXERA                0x0C
+#define DEVICEFAMILYINFOENUM_SERVER_NANO            0x0D
+#define DEVICEFAMILYINFOENUM_8828080                0x0E
+#define DEVICEFAMILYINFOENUM_7067329                0x0F
+#define DEVICEFAMILYINFOENUM_WINDOWS_CORE           0x10
+#define DEVICEFAMILYINFOENUM_WINDOWS_CORE_HEADLESS  0x11
+#define DEVICEFAMILYINFOENUM_MAX                    0x11
+
+#define DEVICEFAMILYDEVICEFORM_UNKNOWN                0x00
+#define DEVICEFAMILYDEVICEFORM_PHONE                  0x01
+#define DEVICEFAMILYDEVICEFORM_TABLET                 0x02
+#define DEVICEFAMILYDEVICEFORM_DESKTOP                0x03
+#define DEVICEFAMILYDEVICEFORM_NOTEBOOK               0x04
+#define DEVICEFAMILYDEVICEFORM_CONVERTIBLE            0x05
+#define DEVICEFAMILYDEVICEFORM_DETACHABLE             0x06
+#define DEVICEFAMILYDEVICEFORM_ALLINONE               0x07
+#define DEVICEFAMILYDEVICEFORM_STICKPC                0x08
+#define DEVICEFAMILYDEVICEFORM_PUCK                   0x09
+#define DEVICEFAMILYDEVICEFORM_LARGESCREEN            0x0A
+#define DEVICEFAMILYDEVICEFORM_HMD                    0x0B
+#define DEVICEFAMILYDEVICEFORM_INDUSTRY_HANDHELD      0x0C
+#define DEVICEFAMILYDEVICEFORM_INDUSTRY_TABLET        0x0D
+#define DEVICEFAMILYDEVICEFORM_BANKING                0x0E
+#define DEVICEFAMILYDEVICEFORM_BUILDING_AUTOMATION    0x0F
+#define DEVICEFAMILYDEVICEFORM_DIGITAL_SIGNAGE        0x10
+#define DEVICEFAMILYDEVICEFORM_GAMING                 0x11
+#define DEVICEFAMILYDEVICEFORM_HOME_AUTOMATION        0x12
+#define DEVICEFAMILYDEVICEFORM_INDUSTRIAL_AUTOMATION  0x13
+#define DEVICEFAMILYDEVICEFORM_KIOSK                  0x14
+#define DEVICEFAMILYDEVICEFORM_MAKER_BOARD            0x15
+#define DEVICEFAMILYDEVICEFORM_MEDICAL                0x16
+#define DEVICEFAMILYDEVICEFORM_NETWORKING             0x17
+#define DEVICEFAMILYDEVICEFORM_POINT_OF_SERVICE       0x18
+#define DEVICEFAMILYDEVICEFORM_PRINTING               0x19
+#define DEVICEFAMILYDEVICEFORM_THIN_CLIENT            0x1A
+#define DEVICEFAMILYDEVICEFORM_TOY                    0x1B
+#define DEVICEFAMILYDEVICEFORM_VENDING                0x1C
+#define DEVICEFAMILYDEVICEFORM_INDUSTRY_OTHER         0x1D
+#define DEVICEFAMILYDEVICEFORM_XBOX_ONE               0x1E
+#define DEVICEFAMILYDEVICEFORM_XBOX_ONE_S             0x1F
+#define DEVICEFAMILYDEVICEFORM_XBOX_ONE_X             0x20
+#define DEVICEFAMILYDEVICEFORM_XBOX_ONE_X_DEVKIT      0x21
+#define DEVICEFAMILYDEVICEFORM_MAX                    0x21
+
+NTSYSAPI void WINAPI RtlGetDeviceFamilyInfoEnum(ULONGLONG*,DWORD*,DWORD*);
 
 #define EVENTLOG_SUCCESS                0x0000
 #define EVENTLOG_ERROR_TYPE             0x0001