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Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

Select the Windows Security app from the search results, go to Virus & threat protection, and under Virus & threat protection settings select Manage settings.

When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.

When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

Introducing Microsoft Phone Link Our evolution of the former Your Phone app brings a new name to the user experience. With the new Phone Link on your Windows PC and the new Link to Windows app on your Android device, accessing your mobile apps and content has never been easier!

Note: The Not a value option in the field list refers to fields that are not normally summed or averaged.For example, you wouldn't sum the years displayed, but you might sum the values of the years displayed. If used with another field that is summed or averaged, Not a value works like a row label, but if used by itself, Not a value counts unique values of the selected field.

若要捕获视频截图，请打开“截图工具”，选择“ 录制 ”按钮，然后选择“ 新建录制”，或按 Windows 徽标键 + Shift + R。选择要录制的屏幕区域，然后选择“ 开始”。完成后，选择“ 停止”。此时，可以按原样保存录制内容，或在 Clipchamp 视频编辑器中选择“在 Clipchamp 中编辑 ”以使用录制内容。

Immersive Reader advanced color support. In Immersive Reader, we've added many additional ways you can choose a page color.Selecting a page color can make text easy to scan with less eye strain. On the Immersive Reader tab click Page Color to see a 4x5 color picker.. Click More Colors to see additional color selection options such as Wheel, Sliders, Color Palettes, Image Palettes, and Pencils.

To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.