Add a program to run automatically at startup in Windows 10

[Mark]

Select the Start  button and scroll to find the app you want to run at startup.
Right-click the app, select More, and then select Open file location.
With the file location open, press the Windows logo key  + R, type

Code:

shell:startup

then select OK. This opens the Startup folder.
Copy and paste the shortcut to the app from the file location to the Startup folder.