A few more unrelated questions:

- I'm now using version 27.7.0. Is there a way to freeze this version against the future rollout of new versions? Once I reach a certain comfort level with CC, I would prefer to keep my version static and not be constantly surprised whenever Adobe decides to change something. Can I do this?
- The Selection Brush tool is new to me and I just viewed a tutorial about it. I see very little difference between this and the old Quick Mask tool, which I had in CS5. But surprisingly, Photoshop CC still has the Quick Mask tool. Why both? What does one do that the other can't?
- If I want to tile multiple files, I need to go to Windows>Arrange. In CS5, this control used to sit on the menu bar, like in the bottom image below. Is there any way to have the Arrange features permanently on the desktop?

