To upgrade to Standard or Premium. Login to your member area:
And click on upgrade button listed right beside your subscription information.

When you upgrade to another package you will not loose out on any days or money. When you upgrade your expiration date will change from today and 30 days ahead. hereafter u will be charged as regularly. 

Some users get confused as they have pay more when they upgrading, but they are not, their expiration date changes so they get full 30 days access with Standard or Premium. You can safely submit a payment for upgrade, its the fastest, easiest and instant access.

For yearly paying members, please contact support.