File Explorer later got ads, and Edge nags started appearing in the Start ... program (right-click and launch as administrator if you want access to all the settings) and you'll be presented with ...
In the Settings window, go to the General tab on the list on the left-hand side. Now, uncheck the checkbox associated with Auto-start Teams. This will remove Microsoft Teams from your system.
Type shell:startup and click OK. It’s relatively easy to remove programs from Windows Startup, but make sure you understand that you might lose tabs with which you were working. If Firefox ...