iOS 11 is the new mobile operating system from Apple. This guide will help you download and install iOS 11 on your compatible iPhone, iPod or iPad.
Download & Install iOS 11 Beta
Something to note is that its important to backup your data, either using iTunes or iCloud, before installing a major upgrade such as iOS 11. This is so that you can always revert back to your old setup incase anything goes wrong, after all this is a beta.
First of all we need to jump over to your Apple Developer account and download the Beta file. Download the correct Firmware for your device.
Once downloaded In the Summary panel, hold the Alt key, for Windows users this will be the Shift key.
Select the iOS beta software restore image which you downloaded, click Open to begin installation. After installing the beta, your device will reboot and will require a network connection to complete activation.
After you set everything up, you should be running iOS 11. Let us know if your installation went okay.