How to set up a new Apple Watch: Apple Watch options and preferences

First of all you need to tell the app whether you're going to be wearing the Apple Watch on your left or right wrist. Then you'll be shown Apple's terms and conditions, which you'll need to agree to. Read the document first. No, really! Then you'll be asked to enter the password for the Apple ID used on your iPhone.

Now we need to run through a few optional features and services for your Apple Watch. It's up to you how you respond to each of these, but we'd agree to most of them.

Do you want to use Location Services on your Apple Watch? This can use up battery life, but enables apps to adjust their behaviour or offer different options based on your location.

Do you want to use Siri? Apple's voice assistant may not be your cup of tea but it's constantly evolving, and we can't see any down sides to at least having it as an option.

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Do you want to automatically send diagnostics back to Apple when there's a problem? This is the public-spirited thing to do, and will in a small way help Apple to find solutions to bugs and flaws, but you're not under any obligation to do so.

Set a passcode for the Apple Watch - we found this a disappointingly fiddly process on our 38mm model, but do your best - and confirm it. You can choose between a short passcode - i.e. 4 digits - or a longer passcode that will have to be input on the iPhone every time you want it unlock the watch.

Bear in mind, if this sounds like a faff, that you don't need to unlock the Apple Watch every time you use it. You unlock it the first time you use it after putting it on, and then as long as it remains on your wrist it's still unlocked. Generally speaking you will unlock your Apple Watch just once each day, or maybe twice if you go swimming at lunchtime.

Making the unlocking process even less of a hassle, your next choice is whether to have the watch unlock when you unlock your iPhone (which can be achieved via a single tap of Touch ID, remember). What this means is that, if both your Apple Watch and your iPhone are locked and you unlock the iPhone, the Apple Watch - provided it's on your wrist - will unlock too automatically.