Have you ever bought a second-hand Mac computer and don’t know how to change the ID and password? Or don’t know how to change the bound ID number? The following article may be able to help you thoroughly answer your doubts. When changing the ID of an Apple computer, you must ensure that iCloud, App Store, and the web version of the Apple ID management center are all with the same ID account before they can be modified.
Apple ID Management Center can go here: View
**First step:** We first log in to the Apple ID Management Center and enter the ID number we have. If there is no ID account, then register a new ID first; if you forget your Apple ID or password, you only need to know the binding The phone number can be retrieved after receiving the verification code. Let me talk about the existing account first.
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If you have already bound your mobile phone under this ID, a pop-up window will appear. After permission, a 6-digit verification code will appear. Enter this verification code into the website to log in.
After you come in, you can see all the bound devices. If you want to remove it, click on the device picture and a pop-up box will appear. Just select Remove from account, so that the device is not bound to the ID account.
**Step 2: ** Click System Preferences to enter iCloud, log out of the previous AppleID account, and log in to your new ID account.
**Step 3: ** Click on the App Store-log out, then enter your new ID and password to log in successfully.
Ensure that the IDs of the above iCloud, App Store and Apple ID Management Center on the web version are the same account, even if the change is completed, and if you use an iPhone, it is best to change to a unified ID number in the settings, which is convenient a lot of.
The AppleID password must contain uppercase letters, preferably a combination of numbers + uppercase letters + lowercase letters, which is more secure.
I hope my article can help you solve your doubts. If you have other Apple computer problems, you can go here to learn. Mac