查找 BitLocker 恢复密钥 - Microsoft 支持
查找 BitLocker 恢复密钥. 当 BitLocker 无法在 Windows 中自动解锁加密驱动器时，需要 BitLocker 恢复密钥。. 此密钥是一个 48 位数字，用于重新获得对驱动器的访问权限。. 在启动期间，系统可能会提示你输入 BitLocker 恢复密钥，因为存在安全风险或硬件更改：. 可能 ...
重新激活 Microsoft 365 或 Office - Microsoft 支持
尝试引导支持. 或者，如果要在现有或新的计算机上安装或重新安装 Microsoft 365 或 Office，请转到：. 对于 Microsoft 365 和 Office 2021 - 在电脑或 Mac 上下载并安装Microsoft 365 或 Office 2021。. 对于 Office 2019、2016 或 2013 - 下载并安装或重新安装 Office 2019、Office 2016 或 Office ...
适用于:
Office 2021, Office 2019, Office 2016, Office 2013, Microsoft 365 家庭版
Contact Us - Microsoft Support
Contact us. Sign in so we can get you the right help and support. Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot. Dynamics 365. Intune. Azure. Server products.
Redeem a gift card or code to your Microsoft account
How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox ...
适用于:
Microsoft 帐户仪表板
手机连接要求和设置 - Microsoft 支持
从电脑中，你可以使用预安装在设备上的连接至 Windows 应用或可从 Google Play 或 Samsung Galaxy Store 下载的连接至 Windows 连接到选择 Android、Samsung、HONOR、OPPO、ASUS 和vivo体设备。. 可以通过 Android 设备和电脑之间的连接立即访问喜爱的所有内容。. 轻松阅读和回复短信 ...
“Microsoft 手机连接”和“连接至 Windows” 简介 - Microsoft 支持
连接至 Windows应用预安装在运行 Android 9.0 或更高版本的 Samsung、HONOR、Surface Duo 和 OPPO 设备上。. 在此类设备上，可以通过从屏幕顶部向下轻扫，在 快速设置 菜单下找到“连接至 Windows”应用。. 对于所有其他运行 Android 7.0 或更高版本的 Android 设备，请从 Google Play ...
How to sign in to Hotmail - Microsoft Support
How to sign in to Hotmail. Outlook.com. Sign in to Hotmail or Outlook.com. Hotmail is now Outlook.com. Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers).
适用于:
Outlook.com
如何登录 Outlook 网页版 - Microsoft 支持
使用工作或学校帐户登录到Outlook 网页版. 转到 outlook.office.com。. 如果未使用工作或学校帐户自动登录，请按照提示输入工作或学校帐户的电子邮件地址和密码。. 按照之前可能已为此帐户设置的任何双重身份验证提示进行操作。. 选择“ 登录 ”。. (如果已登录到 ...
适用于:
Office 商业版, Office 365 小型企业版, Outlook 网页版, 适用于 Exchange Server 2016 的 Outlook 网页版
Activate Windows - Microsoft Support
Purchase a Windows 11 license. Activate Windows using a digital license. Digital licenses are associated with your hardware and linked to your Microsoft account, so there's nothing you need to find on your PC. You're all set once your PC is connected to the internet and you log in to your Microsoft account.
How to use the PC Health Check app - Microsoft Support
Windows 11. PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.