in https://unity3d.com/cn/swordsandshovels#gdcsasb-homepagehero, you team answered the question
Can I cancel my subscription at any time?
Yes. You may cancel at any time. Your subscription will expire immediately prior to your next billing date.
i want to know definitely How to cancel ??? where is the tutorial or steps about cancel ?
I think this problem is a barrier to block me to buy this tutorial.