Install the “TestFlight” app from the App Store
You can download it from the link below:
Open the invitation link on your iPhone
TestFlight will launch and show the app’s install page
Tap the “Install” button to download the app
Once installed, you can launch the app from your home screen
After installing the app, you’ll see a welcome screen. Tap “Get Started.”
On the login screen, sign in using your email address, Google, or Apple.
Follow the initial instructions to join an existing space or create a new one.