The instance is ready with Discuss, Calendar, and CRM applications. You can manage internal and external communication using chatter, calendar to manage the meetings with customers, and your sales activity using leads and opportunities in the CRM application:
We will discuss the CRM application in detail in , Traceability – Leads to Cash.
You will be redirected to a payment page; where you can see the current plan you are about to opt for; it is monthly when you start your subscription, but later it can be switched to yearly to avoid monthly bills: