Don’t believe me?
Try it out for yourself.
The only exception to this rule is a multiple tab dialog box, on a badly written tool.
![Hey You! Stop Using the Apply Button and Just Click OK! [Geek Rants]](https://static1.howtogeekimages.com/wordpress/wp-content/uploads/2010/04/image183.png)
Sometimes… your tweaks on one tab won’t stick unless you click Apply.
We’re just using the screenshot as an example of a multiple tab setting interface.
Have you ever found an instance where it behaves differently?
