How do I get to app permissions?

I accidentally denied permissions to my s camera app and want to change this.
I have looked everywhere for my permissions and even looked online.
Everywhere online says to go to the setting tab and click permissions but there is no tab for permissions.
I have looked all over to see if anyone else has had this problem and cannot find anything, it all just gives me the steps: Charms bar>settings>permissions.
The only options i get when i click settings are: Control panel, personalization, PC info, and Help.

hello and welcome to eightforums , I don't have a camera so im not positive if this will work http://www.eightforums.com/tutorials/5314-app-permissions-change-windows-8-a.html

caperjack said:

hello and welcome to eightforums , I don't have a camera so im not positive if this will work http://www.eightforums.com/tutorials/5314-app-permissions-change-windows-8-a.html

Click to expand...

This is my problem: I follow these steps but the "permissions" is not in the settings at all.
I have also tried simply running a search for permissions and it comes up with nothing.