title: How to update the old Google Analytics with New google analytic 4
body: <p>Is there an option where I can upgrade my old google analytics with the new UI (web and app) or they have completely different function.</p>
  <p>I have data in my existing google analytics, events created in it.</p>
  <p>When I try to make a new analytics from firebase it create a new property or a new account and no data shows in the new analytics. How can I have the new analytics upgrade with all my existing data or I have to update the website with new code.</p>
  <p><a href="https://i.stack.imgur.com/jLpfK.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/jLpfK.png" alt="enter image description here" /></a></p>
  <p><strong>OLD Google Analytics</strong></p>
  <p><a href="https://i.stack.imgur.com/U1OLF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/U1OLF.png" alt="enter image description here" /></a></p>
  <p><strong>NEW GOOGLE ANALYTICS</strong></p>
  <p><a href="https://i.stack.imgur.com/zjzJZ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zjzJZ.png" alt="enter image description here" /></a></p>