Step 1: Connect to S3.
Log-in using LastPass to get started.
In case you didn't get directly to S3 but in AWS Home Page instead, go to Services and click S3.
Step 2: Open a Bucket.
Click Create bucket.
Amazon S3 doesn't allow duplicate names so make sure the name is unique to proceed.
Click Create.
Step 3: Upload Media
Go to your newly created bucket.
Click Upload.
Drag and drop the image / video / pdf that you want to upload into the provided window.
Click Next.
Change Manage public permission into Grant public read access to this object(s).
Click Upload.
Step 4: Check media link
Find your newly uploaded file and click it.
Find Link, that will be the link that your need to insert whenever you want to use the file for public viewing.