Using Bucket Policy to Allowing Public Access on Objects

To create a Bucket Policy for an S3 bucket, follow these steps:

Login to your AWS account and navigate to the S3 console.
Select the S3 bucket you want to apply the policy to.
Click on the “Permissions” tab and select “Bucket Policy”.

In the text editor, copy and paste the following bucket policy:

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

Replace <bucket-name> with the name of your bucket.
Click “Save” to apply the policy.