Answer:
I'm found on Windows yet I am just a decoration. What am I?
What has a head and a tail, but no body or legs?
I am just two and two. I am hot. I am cold. I am the parent of numbers that cannot be told. I am a gift beyond measure, a matter of course. What am I?
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
What can run but never walks licks but never talks has a bed but never sleeps has a mouth but never eats?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.