Step 1
Download the "TestFlight" app in app store
Step 2
Open "TestFlight" app
Step 3
Click the 'Start Testing' in the given link
Step 4
TestFlight will redirect to the "Y8" page and click install
Step 5
Wait the download done
Step 6
Click Next to Continue
Step 7
Click "Start Testing" button to enjoy the app
Step 8
Welcome to Y8! Enjoy!