Keywords integrated: YouTube-- iOS 12, legacy app, compatibility, troubleshooting, security, end of life.
Do you have access to a to download the app first? I can provide the specific steps for your situation. YouTube for iOS 12.5.7 Download - Apple Support Communities Youtube-- Ios 12
If you have previously downloaded YouTube on your Apple ID, you might be able to install an older, functional version. How to Watch YouTube on iOS 6-12! (No Jailbreak) Keywords integrated: YouTube-- iOS 12