Required User Privileges: Company Admin / Screen Admin
The first step is to click on Manage at the bottom left corner of SalesScreen.
A menu will pop up, where you can proceed to click on Screens under the Company headline:
Once on the screens management page, locate your screen and click it. A settings panel will appear on the right hand side.
In the settings panel, click the Show celebration popup for dropdown and check all teams you would like celebrations for:
If you want to enable/disable or even choose the celebration popup for individuals you can go to this article here (Make sure you go to Manage - Users - Pick a user - Celebrations)
Required User Privileges: Company Admin / Screen Admin