STEP 1: Run Windows Backup on your Windows server (start menu type backup)
STEP 2: Download and install S3 Drive: tntdrive.com
STEP 3: Configure S3 Drive with your credentials and Mount new disk.
STEP 4: In Windows Backup select destination as the new drive (last option)
STEP 1: Download VHD browser - www.howtogeek.com
STEP 2: Download your VHD file from Amazon S3 bucket and mount it as a new drive