There are four (4) steps to successfully adding the BrainStorm Microsoft Teams App to all of your organization's users. 

This is step three (3).

Step One: Adding Permissions for the BrainStorm Teams App (Globally)

Step Two: Script to Push the BrainStorm Microsoft Teams App

Step Three: Pushing the BrainStorm Teams App to Users (Globally)

Step Four: Pinning the BrainStorm Teams App (Globally)

The BrainStorm Teams App is installed globally to your entire organization via the Microsoft Teams Admin Center. 

NOTE: This can only be completed by an O365 Global Admin or a Teams Service Admin

Section III Pushing App Globally to all users

1. Go to the Microsoft Teams Admin Center > Teams app > Setup policies.

2. Click on Global (Org-wide default).

NOTE: Your organization may have changed the name or set up a different policy for Org-wide app policies.

3. Under Installed apps, click Add App.

4. Search for BrainStorm.

5. Click Add.

6. Click Save.

NOTE: Once completed it may take 2-24 hours to display the BrainStorm Teams app within Teams for your users.

Once added, users will receive a notification welcoming them to the BrainStorm Teams QuickHelp app.

NOTE:  This message is not configurable and cannot be turned off.