How to downgrade/upgrade my subscription?:
First of all click Billing, which is located at the bottom of the left side of your dashboard
You will be redirected to the Billings page, where you see what your current plan is. Go ahead and click Manage plan.
Locate where your current plan is and click Manage plan again
After clicking you will be redirected to your billings page. Click Update plan, which is in green color.
You can see your current plan in grey, go ahead and choose desired plan and click Continue
After double-checking the details and If everything is correct click Confirm and your plan should be upgraded/downgraded.