After your have successfully run some sync jobs and examined your data, you are ready to sign up for a plan.
Click your name or the menu (may be collapsed if on a mobile device) in the upper right corner to go to your Account Page.
Note your Peak Cell Count presented to you near the top of the page.
Note there is likely a blue "Recommended" badge displayed above the plan which most closely matches your Peak Cell Count.
Decide if you need professional support or plan to just use the Knowledge Base.
Click the Start Plan button below the plan you wish to subscribe to.