Download MS Teams App:
Need to have Office365 basic licenses or Microsoft 365 licenses
Open any one of the browser (Google chrome,iExplorer,Edge) and type in the address bar as teams.microsoft.com
It will take you to a page prompting whether you want to download the windows app or Join on the web instead. Once you click on "Join on the web instead" it will login in outlook web app(OWA) format
Once you click on download the windows app, it will start downloading the MS teams application
Navigate to the file path, where its downloaded and double click on it, to start installing the MS team app.
Once installed, open the MS teams app from the search tab.
Sign in to MS Teams app
It will prompt for login credentials, type in the user name and password and hit enter.
MS teams application will be signed in successfully.