了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。

在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021. 准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。 如果已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到 “登录”部分，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。 展开下面的“ 了解详细信息 ”部分获取详细信息。 浏览器中的引导式支持可以为 Office 问题提供数字解决方案. 尝试引导支持. 提示: 通过业务助手获取技术专业知识。 与我们的小型企业顾问联系，帮助Microsoft 365 产品适用于你和你的企业中的每个人。

In some cases, a clean installation may improve your device's performance, security, browsing experience, and battery life. To reset your PC, go to Start > Settings > System > Recovery . Next to Reset this PC , select Reset PC. Then, select Keep my files, choose cloud or local, change your settings, and set Restore preinstalled apps? to No.

了解如何在遇到網路或主機錯誤時，在 Xbox 上管理應用程式的隱私權設定。

To change your default search engine in Microsoft Edge: Perform a search in the address bar using the search engine you want to set as your default. Select Settings and more > Settings . Select Privacy, search, and services. Scroll all the way down to the Services section and select Address bar and search.

Some Xbox subscriptions can be extended by redeeming digital codes or gift cards, for example, with maximum extension limits as follows: Game Pass Ultimate can be extended to a maximum of 36 months in all countries where it’s available.

As of July 10, 2024, Xbox Game Pass for Console is no longer available for new members. Members who are already subscribed to Game Pass for Console and have automatic payment renewal enabled can continue to enjoy their membership. To learn more about Xbox console Game Pass options for both new and existing members, visit: Xbox Game Pass.

To help checkout faster, we're now offering you an option to save your debit and credit cards which you can use to autofill payment information on the checkout page with one click. You can save your debit or credit cards in Microsoft Edge by choosing Save when you're checking out your cart on shopping sites.

Network transfer lets one Xbox console copy games and apps from another console, so long as they’re on the same home network. Copying this way can be faster than downloading another copy of the same game or app. If you have a metered internet connection, this can also save you money.

下面是有关其工作原理以及如何根据需求进行设置的详细信息。 如果使用默认设置打开存储感知，它将在设备磁盘空间不足时运行，并清理不必要的临时文件。 默认情况下，将在一段时间后删除回收站中的内容，但不会触摸“下载”文件夹和 OneDrive (或任何其他云提供商) 中的项目，除非你已将存储感知设置为执行此操作。 云文件可以本地存在于磁盘上，也可以仅联机提供。 若要选择何时仅联机创建非活动文件的条件， 请在“内容”下变为“仅联机状态（如果 超过打开时间）：选择首选时间。 请注意，从 Windows 11 版本 22H2 开始，OneDrive 云文件的默认设置是仅在超过 30 天未打开的情况下使文件联机。 默认情况下，存储感知处于关闭状态。