Apple just announced that delivery is beginning for those who pre-ordered the highly-anticipated Apple Watch.

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The New York Times reported on Friday that the Apple Watch will now be arriving on customers' doorsteps.

The watch is not yet available in stores, but deliveries reportedly started on Friday. Here are the things you need to know for when your watch arrives.

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1. The watch is not as intuitive as past Apple products

Some technology writers reportedly said that there was a huge learning curve to the new electronic. One said it took him "three long, often confusing and frustrating days" for him to learn how to use the watch. Apple is reportedly including a user guide to help customers learn about the different features.

2. The watch requires an iPhone and an app to function

Even if you bought the Apple Watch, you don't get to use it unless you also have an iPhone and the Apple Watch app.

3. You can buy an Apple Watch in stores, but they are few and far between

Even though Apple is not selling the watch in stores, there are a few boutique fashion shops that will carry the product. The odds are that they will sell quickly so order online if possible.

4. You should take the Apple Watch for a test run before buying

Because the Apple Watch is different from past Apple products, and it isn't as intuitive, you should probably try it out before purchasing. It's practically a mini computer with the abilities of an iPhone and it comes in several different materials, sizes and colors.