Avoid and report Microsoft technical support scams. Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Windows 10 Update Assistant. The Windows 10 Update Assistant downloads and installs feature updates on your device. Feature updates like Windows 10, version 1909 (a.k.a. the Windows 10 November 2019 Update) offer new functionality and help keep your systems secure.

For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn. For Microsoft 365 Germany go to portal.office.de. This completes the download of Microsoft 365 to your device. To complete the installation, follow the prompts in the "Install Microsoft 365" section below.

如果在电脑上安装或更新游戏服务时遇到问题，或者你注意到电脑版 Xbox 应用启动时缺少内容，则可能需要下载并运行适用于电脑的游戏服务修复工具。. 注意 在某些情况下，你可能无法运行游戏服务修复工具，除非你在电脑上以本地管理员身份登录。. 当 Windows ...

Returning items you bought from Microsoft for exchange or refund. If you purchased a product from Microsoft, you may be able to request a refund, exchange or a return. Digital goods like apps, games, add-on content, subscriptions, movies, TV shows, and books aren't returnable unless the offer for applicable law states that you're eligible for a ...

Stay safe with a genuine Office license. Office 2019. After launching an Office app, you might receive a message that says Get genuine Office. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

同時，請登入您的帳戶以查看您最新的退款要求狀態。. 這些數位遊戲購買的退款條款涵蓋 Microsoft Store 的數位遊戲方案、Xbox 應用程式 (不含電影和電視應用程式)、數位化的遊戲搭售方案，以及數位耐久性和消耗性的遊戲方案, 無論是透過 Xbox 主機裝置或僅限於 ...

An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

解决方案：从主机中删除你的帐户. 转到“系统”>“设置”>“账户”>“删除账户”。. 选择要删除的帐户，然后选择“删除”。. 选择“登录”，然后再次添加你的帐户并输入密码。.

下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转 ...