S3 buckets are by default private. You can configure your S3 buckets to be publicly accessible by applying appropriate bucket policy with the following steps. Be warned that his method will make the whole content of the bucket public.

1. Create a private S3 bucket if you don’t already have one.

   How to create private S3 bucket in AWS

2. In the AWS S3 console, select the bucket that you want to make public.
   
3. Click on the Properties tab to the top right of the page and click on the Permissions card.
   
4. Click on Add bucket policy link.
5. Here you can use the AWS Policy Generator via the link at the bottom left, or just paste the following code at the editor.

   {
     "Version":"2012-10-17",
     "Statement":[
       {
         "Sid":"AddPerm",
         "Effect":"Allow",
         "Principal": "*",
         "Action":["s3:GetObject"],
         "Resource":["arn:aws:s3:::osdocs-testbucket/*"]
       }
     ]
   }

   Make sure you replace osdocs-testbucket with your own bucket name.

   
   

6. Click on the Save button.
7. And click on the Save button again here.
   
8. Within your bucket, select any of your object and click on the Properties tab.
   
9. Click on the link for your object.
10. You should be able to view your content now.