You must have an apple id if you are apple user, with apple id you cannot access App Store and much more. If you forgot apple id, then it is worry thing because you cannot access things. So in this situation you need to change apple id password with the help of assistance of apple.
There is various ways you reset it but apple assistance will help you reset it in right way. For this you should visit our website and click at my apple id password forgot, change apple id password, forgot apple id password, apple id locked.