garyed
All joking aside,
How do you know if you have a membership & when it expires?
Assuming you pay in full up front your "membership" starts when you buy the upgrade from CW or redeem your code from a retailer. It expires 12 months after that. At that time you own the "build" that was delivered through the 12th month.
If you pay monthly you are a "member", and it expires after 12 months (i.e. day one of the 13th month assuming you paid all 12 months on time). At that time you own the "build" that was delivered through the 12th month.
Can' t be stated simpler than that.
Addendum: As I've learned, if you pay monthly and you pay for 13 or more months, at that time you own the "build" that was delivered through the last paid month.