Yes, you can do this in your account settings.
Here's how to do that:
Step 1:
On your dashboard, select Account Settings by clicking on the drop-down menu beside your avatar.

Step 2:
Select Change Plan.

Yes, you can do this in your account settings.
Here's how to do that:
Step 1:
On your dashboard, select Account Settings by clicking on the drop-down menu beside your avatar.
Step 2:
Select Change Plan.