Where do I find the Application Frame to turn ON/OFF in the menus in Adobe Photoshop CC?
Near the bottom of the Window menu.
Sorry, I could not find it. I went 1 by one from the bottom.
Here's a screenshot from Photoshop CC, same for CC 2014 and other versions of Photoshop
I did not see whether you are using Windows OS or Mac OS, but this is exclusively a Mac feature. You will not find it any Windows version of PS.
You should see this:
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