An access PIN is different from a guest account. An access PIN is a reusable passcode that allows guests to use your console without requiring you to be signed in. A temporary guest account can only be created while you're signed in and is deleted as soon as you or your guest signs out. Anyone with the PIN will be able to change the access restrictions.

Learn how to set up and manage an Xbox access PIN so that you can limit access to your content.

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Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Learn how to fix error 8015000A so you can resume using your Xbox 360.

附註: 你可以新增最多 10 種不同的登入驗證方式，從以下幾個選項中選擇： 一個電子郵件地址。 不一定要是你的——只要你想用它來驗證帳號，就得能存取。 你可能會覺得加入伴侶或家人的聯絡資訊，以便在緊急情況下能存取你的帳戶。 你的組織可能會限制他們加入電子郵件地址。 為了提升安全 ...

Learn about the benefits of using a PIN to help keep your account secure on Xbox.

If you see error 0x8027025a, close the app and restart. Find more solutions here.

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

Find out how to change your Xbox gamertag through a browser, on your Xbox console, or your Windows device.