There are on line complaints that Microsoft is automatically upgrading folks computers to Windows 10 [ NOT TRUE ].
What actually is happening is there’s a warning that OFTEN is ignored because it’s obscured with the gwx [get windows 10] notice.
There may be reasons that folks don’t want to upgrade - privacy being one.
If you are one of these folks there’s an easy solution - Steve Gibson has post a nifty utility that will check your windows machine and enable you to choose what actions the utility will enable. Take a read here