As the admin user for your Teams instance, double check that allowing custom apps is enabled
Log into your Teams app with admin privileges
Navigate to the Apps tab in the bottom left-hand corner
Scroll down to *Upload a custom app* and select *Upload for [your company name]*
Select the package DigitalAssistant.zip from your Downloads folder
The uploaded package should now appear in the *Built for [your company name]* section for you and other users to use. If the app doesn't appear, please contact support as there may be an issue with the app manifest.
To finish the setup, please click on the new Digital Assistant app and click on the Add button in the dialog
Update an existing Teams app
If you already have the Digital Assistant Teams app installed, but want to update the package to the latest version, follow these steps.
Navigate to the Apps section in Teams, and click the ellipsis icon of the Digital Assistant app. Then click Update