Answer:
I'm found on Windows yet I am just a decoration. What am I?
I belong to you but others use me more often than you do. What am I?
I must be broken before you can use me.
People need me, yet they give me away every day. What am I?
What force and strength cannot get through I with my unique teeth can do.
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk