You can download a S3 Bucket using AWS CLI, first of all install it using the pip.
pip install awscli
When the installation is completed run aws configure to setup the credentials
You will be asked to enter the Key ID and Access Key
AWS Access Key ID [None]: ******* AWS Secret Access Key [None]: ***** Default region name [None]: YOUR_REGION Default output format [None]:
aws s3 sync s3://your-bucket-name .