The new button is right above the Cosmetics, mirroring the Pause/Settings button over the Tools.
You can also press the I key (i for info)
To not overwhelm players, I have sectioned off different pieces of info into other Info buttons that get revealed when the Primary Info Button is pressed. Press these other info buttons to see more details.
This arrangement of info could also help players who want only a little bit of help, but otherwise want to figure things out on their own.
I plan to add explanations and better indicators for how the Tools work soon, as well as indicating what keyboard shortcuts they interact with.
Lastly, there may be a secret Patrick Bateman in the game