M365 - How to install Microsoft apps
1) . Check in Search Bar if you have apps like Word, Excel
2). If you don’t have it, install Office365 from Office Portal (type Office in Window Search Bar)
a) Check the below Picture, press icon 1. (left corner)
b) Press 2. Install desktop App.
3. If you are missing MS Teams install from MS teams website - https://www.microsoft.com/en-us/microsoft-teams