How do you open the door to the coffee room?

[getch]

I've finished the game with 93% completion, but cannot figure out how to open this door. I've also never been able to use any of the coffee machines.

[Xhean]

The key is found in the Red Window on the hallway of the West Wing.

[getch]

Thank you I found it now. For anyone else wondering, it's on the 2nd floor. Read the sign next to the red window.