Do you get this feature if Windows 10 updates to build 10074 through it's windows update services automatically? I downloaded the 10074 .ISO but didn't install it right away. The next time I turned on my Windows 10 machine the build 10074 update was already installing on it's own. Anyway, how can I check if I got a build with the frosted glass transparency feature? Is it something you can turn off and on or is it just there or it's not and there's nothing you can do to change it?