If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.

Add, remove or update an email address or phone number. If you want to make changes to the email addresses or phone numbers associated with your Microsoft account, use our guided support tool below to help you update the right information in the right way.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

請依照下列步驟以重設您的 Microsoft 帳戶密碼。. . 依照本頁面的步驟變更您用來登入 Microsoft 帳戶的電子郵件地址或電話號碼 (也稱為您的帳戶別名或使用者名稱)。. 擔心您的授權嗎？. 如果您變更帳號別名或移除別名，然後新增別名，則連結到您 Microsoft 帳戶的 ...

Before you start, make sure that your Windows 11 PC supports Bluetooth. For more info on how to check, see Fix Bluetooth problems in Windows. If you need help adding a device without Bluetooth capabilities, see Add a device to a Windows PC.

Follow these steps to reset your Microsoft account password. Follow the steps on this page to change the Microsoft account email address or phone number (also known as your account alias or username) that you use to sign in.

依照本頁面的步驟變更您用來登入 Microsoft 帳戶的電子郵件地址或電話號碼 (也稱為您的帳戶別名或使用者名稱)。. 擔心您的授權嗎？. 如果您變更帳號別名或移除別名，然後新增別名，則連結到您 Microsoft 帳戶的所有授權都會保留在您的帳戶中，別擔心。. 全部 ...

To find a customer service phone number in your country, please click a region and find your country. Note: Support cases for Surface devices may only be initiated online.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

如果你是 Xbox Game Pass Ultimate 会员，你将自动在主机上获得 EA Play 订阅会员资格，并可通过主机上的 Xbox Game Pass 体验浏览和下载 EA Play 游戏。. 如果你是 Xbox Game Pass Ultimate 或 PC Game Pass 会员，则需要关联你的 EA 和 Xbox 帐户，然后确保你的电脑上安装了 EA Desktop ...