Hey everyone! Thought I'd share this with you all. Enjoy! 1. Update iTunes to newest version.(here)2. Plug in, and backup, your iDevice.3. Download your specific IPSW file for iOS 8.4 Beta 1.(here)4. Open iTunes and click Shift + Check for Update (Windows) or Option + Check for Update (Mac) and browse to your IPSW file.5. Let the process finish, and you should be met with your iDevice on iOS 8.4 Beta 1.Enjoy! [youtube]https://www.youtube.com/watch?v=tTGP2cmRYqY[/youtube]