Payment: after the user confirms the purchase and makes payment, it will be credited to the iTunes account 4. Apple iTunes account will deduct fees within 24 hours before expiration. After the deduction is successful, the subscription period will be postponed by one subscription period 5. To unsubscribe, please open "Settings" - > Enter "iTunes Store and app store" - > click "Apple ID", select "view Apple ID", enter the "account settings" page, click "subscribe", select ppt production software member to unsubscribe. If the subscription is not closed at least 24 hours before the end of the subscription period, the subscription will be automatically renewed 6. Privacy policy https://shimo.im/docs/xy8TkVKy8HR9YXH6/ 7. Subscription terms: https://shimo.im/docs/9cTrHqprVdJGvKXC/