Catalina Re-install stops at the last 15 seconds

Hello SVPShi!

We see you are having some trouble reinstalling the macOS software on your MacBook Air. We want to help get that process completed for you! What error are you seeing specifically when it seems to get stuck? Knowing that information will greatly help in diagnosing what the cause could be.

You can also try to use a different option of recovery in macOS Recovery. You can see the three different options available here: How to reinstall macOS from macOS Recovery Try using a different one than you have previously to see if the same issue occurs.

We hope that helps!

Take care.

SVPShi,

Thank you for updating us on this issue! It is always great to hear the problem has been resolved.

We hope you have a fantastic rest of your day.