"Select another plan" button will only appear for those account that is near to expire (15 days before the subscription is expired ) or account that was already expired.

Top right of your LodgeiT interface, press the gear wheel icon and select "Billing"

Press "Select another plan" button.

In this example, account is under a "Starter" plan and  about to expire in 9 days, will upgrade to a new plan which is "Standard"

Note: Unused credits will NOT carry over to the next subscription plan. 

Select "Standard" as the new plan.

Fill the order details

Payment details and new subscribed plan has been posted along with the on-going plan

Note: For accounts that are not yet expired/nearly expire (before 15 days of expiration date) - If you want to cancel and upgrade your subscription to higher or lower level, please refer to this GUIDE ("Cancel subsription" doesn't refund anything and you will lose all current credits, please reach out to support team for queries)

Related Article:

How to renew a LodgeiT subscription plan