Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

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.

Try it! Universal search. Select Search on the taskbar or press Windows logo key + S, then type what you want to find.You'll get personalized search results for people, email, and files in local and shared sites, or from the web. Desktop groups

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

Windows 允许添加多个用户帐户以使用同一设备，使每个用户都有自己的设置、文档和应用程序。 例如，家长可以拥有自己的具有管理权限的帐户来管理设置和安装软件，而孩子可以拥有启用了家长控制的标准帐户来监视和限制其使用情况。

If that doesn’t work, you can try repairing it. When you’re done, you might need to restart your computer. Windows 10 Windows 11. The steps to access the repair tool vary depending on your operating system. Right-click the Start button (lower-left corner) and select Apps and Features on the pop-up menu.

Cet utilitaire de résolution des problèmes aide les clients dont l’ordinateur n’a pas encore effectué la mise à jour à la dernière version, Windows 10 version 1607. Dans un premier temps, cette mise à jour n’est proposée qu’à un groupe restreint de clients, qui s’élargira au fur et à mesure. Les utilisateurs Windows peuvent démarrer cet Assistant à partir de cet article.

To pin apps to the taskbar. Select Start , select the arrow next to All apps, right-click the app, then select More > Pin to taskbar.

Learn about file sharing over a network in Windows. Note: This article focuses on how to share files or folders over a Local Area Network (or LAN), such as connected computers within your home or workplace.If you are trying to find out how to share a file over the Internet, for example with a friend or family member, OneDrive provides easy ways to accomplish this.

The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code. To access the code, you'll need a tool for reading MSI files—which is typically available to IT professionals. You'll find the product code in the property table of the MSI file. What it fixes