This is a short guide on how to install AlexisHR's Teams app, thus making it available to all users in your organizations Teams. Start by downloading the app:
Step 1 - Open the Teams app
Then click Manage your apps
Finally press Upload an app
Step 2 - Upload the .zip file
If you are an administrator of the account you can add the app to your account directly. If not, you can submit the app for approval by your administrator. Click on the option available to you:
Select the .zip file downloaded in the first step above and complete the upload.