Didn't mean to sound condescending, it was my actual experience with Windows. Aside from some obviously dumb things (like drive letters), some are just different and understanding them decreased my frustration.

I didn't directly address the original post issues because it's hard for me to even understand it, since it's nothing I've ever dealt with. For example:

“…an issue where you can select an app and it does absolutely nothing”

I _think_ the author is struggling with the fact that Mac apps can be open and have no windows. And that's not weird at all, just different. Or maybe it's a virtual desktop thing (Spaces), which I don't use.

Anyway, I use keyboard shortcuts extensively, command-tilde will switch between windows on the same app, for instance, if that's what you're looking for.

But keyboard shortcuts are much more discoverable in Windows than on the Mac. The letters are underlined in dialog boxes. It's uglier, but way more obvious. You can use the Mac with a keyboard only, but you may have to Google some shortcuts, unfortunately.