Some Windows 10 users have learned the hard way that even if upgrades have gone smoothly in the past, it's still...

Some Windows 10 users have learned the hard way that even if upgrades have gone smoothly in the past, it's still wise to back up files before updating the OS.

Sometimes it pays NOT to be first.
https://www.zdnet.com/article/windows-10-october-update-problems-wiped-docs-plus-intel-driver-warning/