Learn why you received a notification about unusual activity in your account and what to do next.

Learn how to change your Windows sign in from a local account to a Microsoft account to sync your settings across all your devices.

Learn how to troubleshoot and fix problems connecting to the intent when setting up your Windows 10 or 11 PC.

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

When you install this package, the following packages or updates are installed per your operating system: In Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1, .NET Framework 4.7.2 is listed as an installed product under the Programs and Features item in Control Panel.

Find out what model of Surface you're using. There are several ways to find out which Surface device model you have. Look in the Surface app

Find out how to change the color of the Start menu, taskbar, and action center with dark and custom mode personalization settings.

Learn how to renew your Microsoft 365 Family or Microsoft 365 Personal subscription online or from a retail store.

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.

Quick Assist lets someone you trust take over your Windows 10 or Windows 11 PC and fix a problem from wherever they are.