The Next3 is the advanvced service for Amazon AWS S3. Unlimited files upload, Create Unlimited Bucket or Store, Create Unlimited Folder in Bucket. Manage All files in Bucket. Automatic Crop Image when upload by your Crop Dimensions and Other features.
From WP AWS S3 setting option, you have to collect AWS access Id and and secret access key then save it. After that, select the Region and finally save the system.
In order to create a new store (bucket) you need to select Region and Permission, at first. Then you will get a input field for your desired store name. Just put your store name over there and create it.
To upload a files you have to complete several tasks. For example, you need to select Store, Region, Folder and Permission then you can upload your file by selecting it from your pc.
Files management system will get all the folder under the store files.