Go to Jottacloud

You can upgrade your Home subscription at any time. Jottacloud Home can be purchased with 1 TB, 5 TB, 10 TB and 20 TB. 

How to upgrade your Jottacloud Home subscription:

Go to Settings in your accound, then Subscription.
Click Upgrade and find the subscription you want.
Click the buy button and finish the payment.

Did this answer your question?