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Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account. For Microsoft 365 Germany go to portal.office.de/account.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
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
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 ...
Install Quick Assist - Microsoft Support
To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.
Xbox 付款错误消息和代码 | Xbox Support
此错误代码可能表示以下情形之一:. 你的银行未授权你的支付选项(例如,你的信用卡已过期、被冻结或者已被拒绝)。. 请联系你的信用卡公司或银行,确保正在使用的支付选项已激活,具有可用资金,且交易并未因为某些原因而受到阻止。. 如果用于为 Xbox ...
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
付费 Microsoft 365 订阅与免费 Web 应用之间的区别是什么?
Free. 免费锁屏提醒表示活动Microsoft 365 家庭版或个人订阅不与登录帐户相关联。. 只有 Word、Excel 和 PowerPoint 的免费 Web 版本可供使用。 若要在浏览器中访问这些应用,只需使用 Microsoft 帐户登录到 Microsoft365.com,并从应用启动器 选择所需的应用。. 免费试用Word、Excel 和 PowerPoint
向 Microsoft 帐户兑换礼品卡或代码 - Microsoft 支持
如何兑换礼品卡、Xbox 下载代码或令牌. Microsoft 和 Xbox 礼品卡以及下载代码和令牌的工作方式相同:兑换到 Microsoft 帐户后,可以在 Windows 或 Xbox 上将余额用于Microsoft Store 在线商店,并且可以获取最新应用、游戏、电影、电视节目以及 Surface、Xbox 和配件的下载 ...
Applies To: Microsoft account dashboard
在 Xbox One 或 Xbox.com 上兑换充值码时出现错误 XBOS3004
按 Xbox 按钮 打开导航页。. 选择“配置文件和系统”>“设置”>“系统”>“语言和位置”。. 选择“位置”,然后将其更改为你的新位置。. 选择“立即重启”以重启你的 Xbox One 并应用位置更改。. 在你的 Xbox One 重启后,尝试再次兑换该充值码。. 在你尝试使用新 ...