(3 replies, posted in iPhone)

<a href="https://www.apps4rent.com">apps4rent</a>

To install the iOS 13 beta, you'll need to visit Software Update on your iPhone.
Launch Settings from your Home screen, tap on General, then tap on Software Update.
Once the update appears, tap on Download and Install.
Enter your Passcode.
Tap Agree to the Terms and Conditions.
Tap Agree again to confirm.