A famous Home without color and with Wings. What’s that riddle answer

Answer: WHITE HOUSE

Solution:

What always comes into a house through the keyhole?

Answer: A key

Solution:

Take it and you will lose or gain more than all the others.

Answer: Risk

Solution:

One am I, among six others: Largest, smallest, cold, dark and two brothers

Answer: Europe

Solution:

This company makes billions of dollars selling Windows.

Answer: Microsoft

Solution:

An action done on mosquito bites. What am I?

Answer: Scratch

Solution: