diff --git a/Guide/Enum Guide.md b/Guide/Enum Guide.md
new file mode 100644
index 0000000..6a100f7
--- /dev/null
+++ b/Guide/Enum Guide.md	
@@ -0,0 +1,50 @@
+## System Key
+| System.Windows.Input.Key | WindowsInput.Native.VirtualKeyCode |
+| ------------------------ | ---------------------------------- |
+| `Escape`                 | `ESCAPE`                           |
+| `F[1-12]`                | `F[1-12]`                          |
+| `Scroll`                 | `PRINT`                            |
+| `Pause`                  | `PAUSE`                            |
+| `Back`                   | `BACK`                             |
+| `Tab`                    | `TAB`                              |
+| `Capital`                | `CAPITAL`                          |
+| `Return`                 | `RETURN`                           |
+| `LeftShift`              | `LSHIFT`                           |
+| `RightShift`             | `RSHIFT`                           |
+| `LeftCtrl`               | `LCONTROL`                         |
+| `RightCtrl`              | `RCONTROL`                         |
+| `Space`                  | `SPACE`                            |
+| `LeftAlt`                | `LMENU`                            |
+| `RightAlt`               | `RMENU`                            |
+| `Insert`                 | `INSERT`                           |
+| `Home`                   | `HOME`                             |
+| `Delete`                 | `DELETE`                           |
+| `End`                    | `END`                              |
+| `PageUp`                 | `PRIOR`                            |
+| `PageDown`               | `NEXT`                             |
+| `Up`                     | `UP`                               |
+| `Down`                   | `DOWN`                             |
+| `Left`                   | `LEFT`                             |
+| `Right`                  | `RIGHT`                            |
+
+
+## OEM
+| Windows Output | Shift Output | System.Windows.Input.Key | WindowsInput.Native.VirtualKeyCode |
+| -------------- | ------------ | ------------------------ | ---------------------------------- |
+| \`             | ~            | `Oem3`                   | `OEM_3`                            |
+| -              | _            | `OemMinus`               | `OEM_MINUS`                        |
+| =              | +            | `OemPlus`                | `OEM_PLUS`                         |
+| [              | {            | `OemOpenBrackets`        | `OEM_4`                            |
+| ]              | }            | `Oem6`                   | `OEM_6`                            |
+| \              | \|           | `Oem5`                   | `OEM_5`                            |
+| ;              | :            | `Oem1`                   | `OEM_1`                            |
+| '              | "            | `OemQuotes`              | `OEM_7`                            |
+| ,              | <            | `OemComma`               | `OEM_COMMA`                        |
+| .              | >            | `OemPeriod`              | `OEM_PERIOD`                       |
+| /              | ?            | `OemQuestion`            | `OEM_2`                            |
+
+## Alphabet & Number
+| Windows Output | Shift Output | System.Windows.Input.Key | WindowsInput.Native.VirtualKeyCode |
+| -------------- | ------------ | ------------------------ | ---------------------------------- |
+| a-z            | A-Z          | `[A-Z]`                  | `VK_[A-Z]`                         |
+| 1234567890     | !@#$%^&*()   | `D[0-9]`                 | `VK_[0-9]`                         |
\ No newline at end of file
diff --git a/README.md b/README.md
index 1927a6d..4f92deb 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,10 @@ NuGet
 ------
 Install-Package InputSimulator
 
+Guide
+-----
+[KeyCode Enum Guide](/Guide/Enum%20Guide.md)
+
 Examples
 ==========