1. Head over to your Google Workspace Admin Panel
You will need to log in with your Google Workspace Super Admin account - likely the one you used to open a Google Workspace account.
2. Click Add app > oAuth App Name Or Client ID
3. Paste in the ID you got inside the app & click Search.
You'll see the Manyreach app appears below. Click Select
4. Mark the checkbox and click Select
5. Select scope - all users and click Continue
6. Mark app as trusted and click Continue
7. Scroll down and click Finish
8. Manyreach app is now added to your Google Workspace