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
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 ...
Check or change language settings - Microsoft Support
Check or change language settings. Windows 11 Windows 10 Outlook.com Microsoft Edge More... Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings. Some account language settings are roamed across the Microsoft experience.
Applies To:
Outlook.com, Microsoft Edge, OneDrive (home or personal)
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 ...
迁往新区域 | Xbox Support
如果迁往新的国家或地区，而账户地区和实际位置不匹配，则可能会遇见“地区封锁”的错误，或者在购买时遇到问题。. 必须拥有一个有效的帐单地址和符合所在地的支付选项。. 如果已搬离并需要更新地区信息，请参阅关于搬迁的文章，并按照指示更改信息 ...
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 ...
激活 Office - Microsoft 支持
激活 Microsoft 365 或非订阅版本的 Office. 当启动未激活的 Microsoft 365 应用时，系统将提示登录到 Microsoft 365。. 请务必使用用于购买或订阅 Microsoft 365 的 Microsoft 帐户或工作或学校帐户进行登录。. 注意: 如果新设备上预安装了 Microsoft 365，请参阅 激活新 Windows 设备上 ...
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, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft Lync for iPhone 2013 operated by 21vianet, Office.com, Project for Office 365
分享 Xbox Game Pass 订阅 | Xbox Support
下面介绍 Xbox Game Pass 订阅者如何将其 Game Pass 订阅权益扩展给朋友和家人。. 在家：将你的主要 Xbox（如果有多个）设为常用 Xbox，这会让使用其档案登录该主机的任何人都能够使用你的 Game Pass 订阅。. 常用 Xbox 和游戏共享的工作原理. 在外：在任意其他 Xbox 上 ...
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
使用 Microsoft Rewards 赢得积分 | Xbox Support
通过将 Microsoft Rewards 应用下载到 Xbox 主机，在玩游戏或购物时关注积分并赢得积分：. 按“Xbox”按钮 打开指南，然后转到“Microsoft Store”。. 选择“搜索”，然后在搜索框中输入“Microsoft Rewards”。. 从结果中选择 Microsoft Rewards 应用，然后将其下载到主机。. 还 ...