Is there even "No" button? Or just "Upgrade now" and "Upgrade later"? As far as I remember, in gwx there was no such option as "no, thank you, I will keep my c

Is there even "No" button? Or just "Upgrade now" and "Upgrade later"? As far as I remember, in gwx there was no such option as "no, thank you, I will keep my current OS".