STARTUP AND BACKGROUND APPS - WINDOWS 10
Click the search icon (a spyglass) to the right of Start on taskbar - bottom left.
Enter START - click OPEN.
Check the list shown and click to OFF all apps you do not want to run at startup.
Example - MICROSOFT EDGE - click to OFF - you don't want Edge to run at startup.
Programs like Edge are always manually enabled by clicking their shortcut displayed on your desktop.
Background Apps
Again, click the search icon and enter BACK - Background Apps shows - click OPEN.
A list of apps is shown where ON means they are automatically running in the background.
Click to OFF all the apps you do not want to run in the background.
Run at startup and running in the background apps should only be reserved for important apps and cut to a minimum.
Unimportant and junk apps running at startup or in the background simply waste computer resources.