In Teams, you can, among other things, have digital meetings, chat and make phone calls with or without video. In Teams you can also create team sites where you can share files with others and send messages. You can connect to a Teams meeting via a web browser and then go to Office 365 on the web and select the Teams app, or you can use the Teams desktop app that is part of the installation of Office 365. Teams is also available as an app for cell phones and tablets.
Click here to go to the web page about Office software for private computer. There you will find guides for downloading and installing Office 365 ProPlus, which includes Teams, on computers, tablets and cell phones.