Boot Camp Assistant 6 Windows Support Software Download Location

Currently, I'm trying to get Windows 10 working on my Macbook Pro Retina 13" El Capitan 10.11.5. I just bought it earllier this May and it's currently an Early 2015 model.

My problem is that whenever I open Boot Camp Assistant version 6 (v6) on the OS X side, it only shows me a simpler prompt.

As many people have wrongly-guessed, Boot Camp Assistant v6 does not have the options the previous Boot Camp Assistants (v4 and v5) had, which allowed you to install the Windows Support Software separately on a USB stick, or just install Windows XP/7/8 separately, as shown here:

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Now the problem with Boot Camp Assistant v6 is that when you want to install Windows, you're forced to always install the Support Software before it begins the Windows installation itself. Initiating this process gives me a screen like this:

Not a lot of us have that much time to wait.

That said, this brings me to the question header: Where does my Mac download the support software to? What I mean by this question is where do I find it in Finder, whether or not I need to use ⌘+Shift+G to find said folder. As it stands, I'm really tired of seeing this screen.

I've tried looking in the Library folder, and I've found a Bootcamp folder, but it's empty and even while it's downloading the support software, it remains empty.

Any help would be appreciated. Sorry if my wording might've sounded a little condescending, as I'm really trying to make it as no-brainer as possible. My last question and even Apple Chat Support couldn't help me on this one, so I'm making the question a little more detailed.