Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

了解如何更改 Windows 中显示器的刷新率，以确定在屏幕上显示运动的平滑程度。

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。

Linking to other workbooks is a very common task in Excel, but sometimes you might find yourself with a workbook that has links you can’t find even though Excel tells you they exist.

Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

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 see where your browser is saving downloads, look in your browser's settings. For example, in the new Microsoft Edge , select Settings and more > Settings > Downloads .The file path for your downloaded files (for example, C:\Users\[your name]\Downloads) is listed under Location.. In Microsoft Edge Legacy , select Settings and more > Settings .

Installer Microsoft 365 pour la première fois. Certains produitsOffice 2019, Office 2016, et Office 2013 sont fournis avec une clé de produit.

Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following: