By navigating to your Server dashboard. Select the server you would like to upgrade or downgrade
Click on the "General" tab
Press on "Upgrade Package/Plan"
You will now be given the decision to change your current plan
Things to note
These plan changes are instant. Here at AtomicHost, we are about efficiency, and minimizing down time. This means, even when ever you upgrade or downgrade your server, you will not have to restart it!