Opening up teams
Click on the Windows Key / Start Button

Type 'microsoft teams' and click on the app

If your email does not auto populate type in your email address

Start a new chat, group chat, and modifying chats
Click on the new chat icon

Search for the person you wish to chat with and click on them

Compose a message and hit enter or the send icon, now the new chat will appear on the left hand side

To compose a group chat search for all the members you wish to add and send a message

It will create another chat on the left hand side.

You can send files through the chat menu but clicking the paper clip at the bottom and browsing your computer

To modify chats and group chats start by clicking on view and add participant icon at the top right

Within the menu can you add/remove users and leave the chat.

Lastly you can click on the 3 dots next to the chat for some more options
