It's easy to change the icon size on a Windows 10 PC for files, folders, or applications using the View menu in your files ...

To change the default PDF viewer on Windows 10, you'll need to edit your default apps in the Control Panel.

I did have the .desktop file configured, and when I went into the apps menu/launcher (the "start menu" analog), the icon is correct, but it's not correct in the task bar along the left side of my ...