increase cloud storage

Have been trying to upgrade my cloud storage from 1TB to perhaps 4-5 TB.  I’m not finding a way to do this from either the web or the creative cloud app.  The online docs tell me to ‘manage plan’ or ‘upgrade’, but these options show me how I can change my available apps (don’t need that).

Searching the community (questions) - I’m not seeing anything newer than several years ago, and all of the answers steer me to ‘manage plan’, which doesn’t do it.

Y’all are making it difficult to upgrade.  Is there a way to do this?