If you don’t have a business server that controls your policy updates, you may soon start to see one of the many 'Microsoft Recommended Update' boxes that are popping up for Windows 10.
Once you click on 'OK' your upgrade is in progress (some versions of the pop up don’t show this option).
Unless you are ready for Windows 10 there are ways to prevent this.
Are you ready for Windows 10? Let us advise you.