
Settings: No you cannot set a static IP without DNS the internet won't work.
The sky will fall and we will have to call the king's support desk
but, but I only want to do some connectivity/chattyness testing or access a device so I can change its address to work with the environment it is in.
Control panel: Fill your boots, I don't care that it might not work, I assume you know what you are doing and/or can manage to google it (note probably not on this computer unless it has more than one nic).