SharpKeys is simple and small (size:355 KB) software built as a registry hack, which can easily change your keyboard keys. For example, if you accidentally hit Caps Lock often, you could use this utility to map Caps Lock to a Shift key or even turn it off completely. With SharpKeys you can make many interesting things like harmless pranks on your friend’s computer. Just install SharpKeys and change numbers or letters on friends PC and and watch your friend freak out:).
Download SharpKey from this link (it´s free) and install it.
Open SharpKey and click Add. After this will open window, with two side, from key to key. There are list of key that you can change, but you can type your own key, click type key.
Press button on your keyboard and change it.
Restart your computer and change will take effect.