Storage Account

• Log in to the Azure portal
• Search for Storage Account and select the Storage accounts service

• Click on + Create on the top
• Select the Subscription, the resource group, region and enter a name for the account.
• Click Review + create and create

You should also check out all the other setting. (e.g. for a production environment it is recommended to put the storage in a network, enable encryption via customer managed keys as well as configure the data protection.

To create a container, click on + Container and enter a name