Copilot in Windows, with the help of Microsoft Copilot (previously named Bing Chat), provides you with centralized generative AI assistance directly from your Windows device.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Learn how to manage background activity for apps to help save battery power in Windows.

When you use InPrivate tabs or windows, your browsing data isn't saved on your PC once you're done.

Here's how to change the size of text, images, and apps in Windows. To change your display in Windows, select Start > Settings > Ease of Access > Display.To make only the text on your screen larger, adjust the slider under Make text bigger.To make everything larger, including images and apps, choose an option from the drop-down menu under Make everything bigger.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.

Learn how to troubleshoot and fix problems setting up your email in Outlook.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.