Find your Windows product key - Microsoft Support
Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...
Applies To:
Microsoft account dashboard
Using product keys with Office - Microsoft Support
If you see a Let's get started screen with options to try, buy, or activate Office, this means that Office is installed on your new PC as a 1-month trial of Microsoft 365 Family. You won't receive a product key from your PC manufacturer unless you paid for an Office product key card. Instead, you can start a trial of Microsoft 365 Family, or buy Office.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
Windows 11 and Secure Boot - Microsoft Support
From the next screen, select Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make changes. To change these settings, you will need to switch the PC boot mode from one enabled as “Legacy” BIOS (also known as “CSM” Mode) to UEFI/BIOS (Unified Extensible Firmware Interface). In some cases, there are options to enable ...
获取有关数字代码或礼品卡的帮助 | Xbox Support
获取有关损坏或不可读代码的帮助. 如果无法读取数字代码的全部 25 个字符，则需要通过联系 aka.ms/contactxboxsupport 请求替换代码。. 联系支持人员时，请确保提供购买证明、序列号和损坏代码的图片。. 注意 请拍摄卡片正面和背面的图片，或拍摄打印代码的收据 ...
如何兑换礼品卡和代码 | Xbox Support
如何在 Windows 版 Xbox 应用中兑换代码. 按“开始”按钮 ，然后在“搜索”框中输入“Xbox”。. 从结果中选择 Xbox 应用以打开该应用。. 选择左上角的玩家图片，然后选择“设置”。. 在“兑换代码”下选择“兑换”。. 输入由 25 个字符组成的代码，选择 下一步 ...
批准家庭成员的购买和资金 | Xbox Support
在移动设备上打开 Xbox 应用。. 选择要在主屏幕上管理其支出的成员。. 或者选择“设置”，然后选择成员的帐户。. 在“支出”下，选择“请求购买”游戏。. 在“Microsoft 帐户余额”下，选择“充值”。. 加载应用内浏览器时，选择所需的金额，然后选择“下一 ...
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Microsoft 帐户安全信息和验证码 - Microsoft 支持
添加验证 Microsoft 帐户登录的方法. 登录到 Microsoft 帐户的 “高级安全选项 ”页。. 登录. 选择“ 添加新的登录方式或验证 ”，然后选择接收安全代码的方式。. 注意: 无法添加 VOIP 号码作为登录或获取验证码的一种方式。. 我们会将安全代码发送到新号码或电子 ...
Applies To:
Microsoft account dashboard
保护玩家免受市场盗窃和诱骗 | Xbox Support
保护玩家免受市场盗窃和诱骗. 开发人员为 Xbox 网络制作了令人惊叹的游戏和内容。. 为了保护客户和开发人员，我们提供了在 Microsoft Store 中进行购买的安全方法。. 为了维护此安全性，Xbox 会监视 Xbox 社区中的市场盗窃或诱骗情况。. 欺诈会影响所有人，并且大 ...
手机连接要求和设置 - Microsoft 支持
如果从电脑启动：. 在任务栏上的搜索框中，键入 “手机连接 ”，然后从结果中选择手机连接 。. 如果尚未使用 Windows 登录，系统可能会要求 登录 Microsoft 帐户 。. 在 Android 设备上安装或打开 连接至 Windows 移动应用。. 为此，请在 Android 设备上打开网络浏览器 ...