Updating xbox software
If Microsoft and Apple say they're recommended, not tagged as optional, you should definitely install them. In September, Microsoft released a security advisory regarding a vulnerability in Internet Explorer versions 6 through 9.
“Just visiting a compromised website with a vulnerable version of Internet Explorer can allow attackers to access to your computer and install software that steals your personal information.
Backwards compatibility will allow Xbox 360 games to work on an Xbox One console and to use new features of the Xbox One such as Game DVR, Snap, Twitch streaming and screenshots grabbing.
All your previous save files, DLC add-ons and achievements will carry across, and if you are playing an Xbox 360 game on your Xbox One, you will still be able to cross-play with friends using an Xbox 360.
Being infected like this is known as a drive-by download.
Updates contain important changes to improve the performance, stability and security of the applications that run on your computer.
Installing them ensures that your software continues to run safely and efficiently.