Summary. This security update contains a fix and resolves vulnerabilities. To learn more about the vulnerabilities, see the following security advisories:

如果迁往新的国家或地区，在购买之前，请确保账单地址和付款方式与新地区相符。

Windows 11引入了一项称为动态刷新速率 (DRR) 的新功能，该功能会根据你当时执行的操作自动调整刷新率。 这可以帮助你获得两全其美：当你需要游戏、浏览或墨迹书写时获得流畅的体验，当你不执行这些类型操作时，电池使用时间更长。

“我的帐户”门户通过设置和管理安全信息、管理连接的组织和设备或查看组织使用数据的方式，帮助你管理工作或学校帐户。. 若要登录到工作或学校帐户，请转到 myaccount.microsoft.com 或选择下面的“ 登录 ”。 登录. 另请参阅. 详细了解工作或学校帐户. 登录到 Windows. 登录 Office

From the Start menu or apps list, press and hold (or right-click) an app, then, if available, select Pin to taskbar .

将文档导出为 PDF 是一种在保留文档格式的同时创建文档的可共享副本的便捷方法。 下面是如何在 Word Online 中执行此操作。

When you start a focus session, a focus timer will appear on screen. To use additional focus tools in the Clock app, expand the focus timer to get the full view of the Clock app.

Under Personalization & advertising, turn on or off the setting for Allow Microsoft to save your browsing activity including history, usage, favorites, web content, and other browsing data to personalize Microsoft Edge and Microsoft services like ads, search, shopping and news.

Visualizations are colors, shapes, and patterns that move to the music in Windows Media Player Now Playing mode. The Player comes with a number of visualizations, and you can download more on this page.

The Windows 10 free upgrade offer ended on July 29, 2016. To upgrade to Windows 10, you will need to have a compatible PC and purchase a full version of the software.We recommend that you don’t install Windows 10 on an older device, as some Windows 7 devices are not compatible with Windows 10 or could experience reduced feature availability.