RIM has stepped up and updated their official App World website. Now, buy and download apps directly from the BlackBerry App World website. Your device is compatible  to work with your My World Account , so syncing is not a problem. To make this work you need  to download a Windows installer and you’re ready to roll. They even offer options! Pay with a PayPal account, Credit card or use the new popular method, carrier billing.
1MB MSI Installer Here
And then head to the App World website to get started
via BerryReview