I'm setting up a new master HDD with all the bells and whistles. I want to add Control Panel to the right click button, but, for the life of me I can't remember how to do the job. So far, google ...

While the Control Panel is still around (and probably will be for a long time), you don't need to use it. Microsoft wants you to use the Settings app, and I'm inclined to agree, even if you still ...