You can check to see if your Mac, iPhone or iPad is still covered by a warranty or AppleCare by going to a handy page at Apple's site. You can also see if there is a valid purchase date and submit a proof of purchase if not. Also learn how to find your Mac or iOS device's serial number.
▶ You can also watch this video at YouTube.
▶
▶



Handy tip. A fix on AppleCare, though. When you buy an Apple device, a one-year warranty guaranteeing against manufacturing defects is automatically included. The additional AppleCare+ has to be added within 60 days of purchase because it also covers for accidental damage.