want to return back but not do scription yet

Question

i did use 2 trial window live onecare just oneday and 1 demo ,i don't think it is good for me,now i have new scanner,i didn't do scription yet because of i couldn't find it however i tried ,but now i found it how to do subscription,but i don't do it yet,that why i want to know what i should do??do i have to do subscription anyway?

and i want to to return them back but i can't do it by myself,i will try to find some one who can help me,i hope

so what i should do?

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o-p