[2] Select the edition and the number of users you wish to have:
For example: Let say you wish to have 2 STANDARD users:
[3] You can here pick yearly or monthly:
or Monthly:
The addons are optional only.
[4] Once you made your choices click proceed at the bottom of the screen:
[5] Keep proceeding through the "Pay" and "Confirmation" stages (where you actually approve your payment).