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下载和安装. 通常 Skype for Business 是随 Microsoft 365 一起安装的。 如果已安装 Microsoft 365，但未安装 Skype for Business 且需要安装它，请参阅：

How to turn on recurring billing. When recurring billing is turned on, you’ll be billed for your subscription on your renewal date. If you turn off recurring billing, your subscription will expire on the date shown, and you won't be billed in the future.

Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.

Surface devices get updates through Windows Update. Find out what's included in each update and how to manually update your Surface. Select your device from the following list to see its update history.

On your computer, click Start, type cmd, and then press Enter.; At the prompt, type ipconfig/all, and then press Enter.; Find your network connection (for example, look for Ethernet Adapter Local Area Connection or Wireless Adapter Local Area Connection).

After you create a homegroup, other PCs running Windows 7, Windows 8.1, Windows RT 8.1, or Windows 7 on your network can join it. Add your other PCs to the homegroup

Warning: Turning off Memory Integrity on a Secured-core PC takes the device out of a Secured-core state.If you choose to continue using your device without addressing the driver problem, you might discover that the functionality the driver supports does not work any longer, which could have consequences ranging from negligible to severe.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

Pressing the Xbox button (or Home button on some controllers) may take you to the home screen on your Android device. If your controller does not have an Xbox/Home button equivalent, you can use the on-screen touch version of the Xbox button located in the center of your game screen.; Some controllers can be used with a wired connection instead of Bluetooth.