How to update your Operating System
Your Operating System is the unsung hero of your computer and phone; it's the software that makes everything "work"; including allowing all your Apps to run properly, to handle phone calls and messages and to connect to the internet.
It's a bit of software on your device, and manufacturers like Apple, Android, Microsoft, Symbian and BlackBerry will release new versions regulary to fix problems and add new features.
To stay safe online you should always make sure that you're running the latest operating system for your device. We've written some guides to help you install the latest version of your operating system.