When you unpack your shiny new Mac, the software on it is usually bang up to date. But over time, companies release new versions that add fresh features, bring better performance and fix problems. For this reason, it’s vital you keep the software on your Mac as up to date as possible -- from the system that powers it to your individual Mac, iPhone, iPad and iPod touch apps. The tricky thing is that there’s no single place to go to make sure you’re running the latest versions, so checking can be time-consuming. So we’re going to show you the main places to look, and share some handy shortcuts that can save you huge amounts of time.