Change key
In main keyboard layout list choose a key that you want to change. Click on 'Change Key' button and a list of available keys for change appears. Choose a new key. If you wish to exchange keys, check the option below. Click OK and keyboard layout list updates to show your current key definitions.

Reset key
To reset a key to it's normal function, select it in the list, then click 'Reset key' button.

Reset all key
To restore your keyboard layout to normal, click 'Reset All' button.

'Apply' and 'Cancel' button will enable when you change any setting of the key. Change will take effect when you click 'Apply' button, but change will be discard when you choose 'Cancel' button