Sign in to https://account.adobe.com/plans.
It's easy to upgrade your Creative Cloud storage plan.
Select Manage plan.
Scroll down to the Included applications and services section. Choose a new storage quota in the Storage drop-down.
Review all details about your upgrade, and select Confirm.
If you purchased from Adobe, learn how to change to a different plan or modify the storage or billing frequency of your current subscription.
To upgrade your storage plan from Creative Cloud desktop app, follow these steps.
Open the Creative Cloud desktop app. (Select the icon in your Windows taskbar or the macOS menu bar.)
Depending on your version of the Creative Cloud desktop app, do one of the following:
The available storage upgrade option is displayed.
Review the storage upgrade information, and then enter your email address. Then select Continue to payment.
Confirm your payment details, and then select Place secure order.
Follow the onscreen instructions.
Upon successful order, you will receive a confirmation mail from Adobe.
If you purchased your plan from a retailer or an Adobe reseller, you would have received a redemption code.
Additional storage isn't currently available for plans purchased with a redemption code. However, this facility may become available soon. Meanwhile, to add storage, you can purchase a plan with higher storage capacity.