Apple today released the new iPhone OS 3.0 for everyone to download, as promised at WWDC last week. Check out our complete iPhone OS 3.0 and WWDC roundup for complete details and features of the new OS. To download the new iPhone OS 3.0, simply follow these simple instructions.

1. Connect your iPhone to your computer

2. Launch iTunes, and highlight your iPhone in the left pain

3. Click on “Check for Update” in the iPhone Summary pain

4. Hit Download & Install

5, That’s it!