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.

Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

If you want to change what appears behind you in your video meeting or call, you can either blur your background, replace it entirely with any image you want, or use Teams virtual background template.And with a Teams Premium license, you can change your Teams meeting background to a branded logo or image specific to your company.

在投影的电脑上，选择 “Windows 徽标键 + K ”，然后选择要连接到的电脑。 或者，可以在 Windows 搜索栏中搜索 “强制转换 ”，然后选择“ 连接到无线显示器”。在“显示设置”页上的“ 多个显示器”下，选择“ 连接到无线显示器”，然后选择“ 连接”。

The recommended (and easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel and wait for Windows 7 to notify you that SP1 is ready to install.

The Teams Meeting add-in lets you schedule a Teams meeting from Outlook. The add-in is available for Outlook on Windows, Mac, web, and mobile, and should be automatically installed if you have Microsoft Teams and either Office 2016, Office 2019, or Office 2021 installed on your Windows PC.

In the upper left corner of the window, select the app launcher > All apps > SharePoint Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.

Select the temporary files, unused files, files synced to the cloud, or unused apps you want to remove, then select the Clean up button for each section.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.