Answer:
I make billions of dollars selling Windows. Who am I?
Usually green but can be brown. It's a great place to play or lie down. What is it?
In many hallways you would stand, if not with this in hand.
The distance from the top of your head to the floor standing up straight.
You're currently trying to solve one
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?