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# Windows remap keyboard keys
This documentation describes how to remap certain keyboard keys on a Windows system. In this example the "Caps Lock" key will be remapped to NULL.

Open `regedit.exe` and browse to `HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout`

Now add a `REG_BINARY` key and fill in: 
(Note: it's not possible to copy&paste into the registry window, you may want to import the [registry file](https://wiki.giftfish.de/wiki/Windows+remap+keyboard+keys#registry+file0) at the bottom of this article)

```
00000000 00000000 02000000 00003A00 00000000
```

Windows needs a **reboot** to apply the changes.

## Hex string break down
The break down for this HEX string is:

* The first 16 zeros are needed for initialization.
* The `02` in bold represents how many keys you are going to re-map plus 1.
* `0000` is the key we actually want Windows to map TO, which in this case is nothing, or 0.
* `3A00` is the key we are mapping from, in this case the caps lock key.
* The next 8 zeros are required as the null terminator.

## registry file
Just open a notepad, paste the following content and save it as "disable-caps_lock.reg". Now open/apply the file and reboot afterwards.

```
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout]
"Scancode Map"=hex:00,00,00,00,00,00,00,00,02,00,00,00,00,00,3a,00,00,00,00,00
```

# References
https://www.howtogeek.com/howto/windows-vista/disable-caps-lock-key-in-windows-vista/