如果你最近从某个版本的 Windows 升级到另一个版本，则当前的打印机驱动程序可能适用于以前版本的 Windows。 如果你最近遇到断电、病毒或其他计算机问题，则驱动程序可能已损坏。 为你的打印机下载并安装最新的驱动程序即可解决此类问题。

To create the installation media, here's what you'll need: A PC with a reliable internet connection. The download time will vary, depending on your internet connection.

Note: If a compatibility issue has been identified on your device that would disrupt your experience using Windows 11, we will temporarily delay your upgrade until the issue is resolved.Compatibility safeguard holds help ensure you have the best experience possible when upgrading and your productivity is not disrupted if critical apps or drivers are not yet compatible.

Note: The Wireless Display app is available on devices running Windows 11 version 22H2 and newer.If you're running an earlier version of Windows, launch the Connect app by entering connect in the search box on the taskbar, and selecting Connect in the list of results. To find out which version of Windows you're running, see Which version of Windows operating system am I running?

基于 Chromium 的新版 Microsoft Edge 已于 2020 年 1 月 15 日发布。 它与 Windows 和 macOS 的所有受支持版本兼容。 它与 Windows 和 macOS 的所有受支持版本兼容。 新版浏览器具备出色的速度和性能、适用于网站和扩展的一流兼容性以及内置的隐私和安全功能，可全面满足你 ...

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 ...

你还可以找到有关版本和所有已知问题的详细信息。 安装最近的更新可确保你同时获得可能错过的任何先前更新，包括任何重要的安全修复。 有关更新及其获取方式的详细信息，请参阅： Windows 11概述 - Windows 中的新增功能. Windows 11规范. Windows 11版本 22H2 的新增 ...

从授权零售商处购买 Windows 11 的盒装副本. 产品密钥. 可在 Windows 11 包装盒内的标签上找到产品密钥。 从授权零售商处购买 Windows 11 的数字副本. 产品密钥. 可在购买 Windows 11 后收到的确认电子邮件中或在可通过零售商的网站访问的数字保险箱中找到产品密钥。

将打开一个空白的“命令提示符”窗口，在大约 10 秒钟后，该窗口将关闭并自动打开 Microsoft Store。 若要重置 Windows 更新，请选择"启动 > 设置 > 更新 & 安全 > 故障排除 "，然后向下滚动并选择列表中的 "Windows 更新"，然后选择"运行疑难解答 "。

Troubleshoot problems with Bluetooth accessories. If you can turn on Bluetooth but having problems pairing or using a Bluetooth accessory, try the following steps to try to fix common problems with Bluetooth accessories.