Optimizations for windowed games improves gaming on your PC by using a new presentation model for DirectX 10 and DirectX 11 games that appear in a window or in a borderless window.

To help protect your privacy, the new Microsoft Edge sets tracking prevention to balanced by default. For increased protection, you can switch your tracking prevention to strict or block all third-party cookies.

Updated Files On-Demand settings on Windows.We are updating the OneDrive sync app advanced settings for Files On-Demand for users who have the feature enabled.

Excel makes it easy to crunch numbers. With Excel, you can streamline data entry with AutoFill. Then, get chart recommendations based on your data, and create them with one click.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

与拥有手机、笔记本电脑或平板电脑的好友共享照片、视频或其他类型文件。 确保希望共享的其他设备已与你的电脑配对、已打开并且可以接收文件。了解如何配对

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

如果应用已打开，请在任务栏上找到应用的图标按钮，长按此按钮，然后向上滑动，直到出现“应用列表”。 如果你使用的是鼠标，请在任务栏上找到应用图标按钮，右键单击此按钮，然后选择“固定到任务栏”。

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