注意: 如果是通过以下任一方式获取的 Microsoft 365：Microsoft 工作区折扣计划(以前称为家用许可计划)，则安装 2019、2016 或 2013 版的 Office 专业增强版、Office 标准版或独立应用（如 Word 或 Project）的步骤可能会有所不同：如果你通过公司购买了 Microsoft 365 供个人使用，请参阅通过工作场所折扣计划安装 ...

. 兑换礼品卡和充值码以进行 Xbox 购买和延长 Xbox 订阅。 代码的长度为 25 个字符，包括数字和字母，并且采用横竖 5 个字符的 5x5 格式。 代码可以是你从 Microsoft 或受信任的零售商处购买的数字卡或物理卡。 请注意，如果帐户的未结余额或付款选项不再有效，则无法激活或使用代码。 有关详细信息，请参阅： 在 Xbox 上查看和管理订阅. 重要 在兑换代码之前，请确保已登录到设备或浏览器上的正确 Microsoft 帐户。 无法通过 Xbox 支持将错误帐户上兑换的代码传输到其他 Microsoft 帐户。 全部折叠. 如何在 Xbox Series X|S 和 Xbox One 上兑换代码. 按 Xbox按钮 打开导航页，然后选择“商店”。

解决方案. 全部折叠. 解决方案 1：返还或交换礼品卡. 在从其购买礼品卡的零售商处返还或交换 Xbox 礼品卡。 然后，确保你获取的礼品卡采用的是针对你的 Microsoft 帐户的正确货币。 解决方案 2：更改你的 Xbox One 上的位置. 如果你在设置 Xbox One 后更改位置，则可以通过更改你的位置来兑换充值码。 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。 在你尝试使用新位置进行购买时，系统将提示你提供更新的账单信息。

In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update . Here's some other info you might be looking for:

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.

Windows 10. In the search box on the taskbar, type device manager, then select Device Manager from the menu. Open Device Manager.

Subscriptions & billing. Request a refund for digital games. Notifications. Info. Questions about a refund email? We’re investigating this issue now. In the meantime, sign in to your account to see your latest refund request status. We understand that sometimes purchases of digital game products don’t go as planned.

How to redeem a Windows activation code. On your Windows PC, go to the Activation section of the Settings app and select Change product key. Open Settings. Problems redeeming a code? If you're unable to redeem a code, check our self-help troubleshooting guidance below. Get help. Need more help?

Windows 11 Windows 10. 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.