

So this only affects people who have automatic updates enabled, but that’s almost everybody since automatic updates are on by default and are rather important for security reasons - the flood of critical security patches in the last year has shown that it’s probably a good idea to leave automatic updates enabled.

This results in a better upgrade experience and ensures the customer’s device has the latest software.” “For those who have chosen to receive automatic updates through Windows Update, we help customers prepare their devices for Windows 10 by downloading the files necessary for future installation.
