Le contrôle de compte d’utilisateur (UAC) est conçu pour empêcher les modifications non autorisées de Windows. Lorsqu’une action nécessite des autorisations de niveau administrateur, la UAC vous invite à approuver ou à refuser la modification.

User Account Control (UAC) is designed to prevent unauthorized changes to Windows. When an action requires administrator-level permissions, UAC prompts you to approve or deny the change. This helps protect your Windows device from malicious software and unauthorized modifications.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

Windows permet d’ajouter plusieurs comptes d’utilisateur pour utiliser le même appareil, ce qui permet à chaque utilisateur d’avoir ses propres paramètres, documents et applications.

This article describes the sign in, sign out, lock, and switch user account actions in Windows. Expand the following sections to learn more.

Die Benutzerkontensteuerung (User Account Control, UAC) wurde entwickelt, um nicht autorisierte Änderungen an Windows zu verhindern. Wenn für eine Aktion Berechtigungen auf Administratorebene erforderlich sind, werden Sie von UAC aufgefordert, die Änderung zu genehmigen oder zu verweigern.

Learn about user account basics in Windows. Sign in, sign out, lock, and switch account > Change or reset your Windows password > Change your user account picture > Using a Microsoft account in Windows allows for seamless integration of Microsoft services, enhanced security, and sync across devices. Switch your local account to a Microsoft ...

Obtén información sobre la configuración de Control de cuentas de usuario en Windows.

Learn about user account basics in Windows. Sign in, sign out, lock, and switch account > Change or reset your Windows password > Change your user account picture > Using a Microsoft account in Windows allows for seamless integration of Microsoft services, enhanced security, and sync across devices. Switch your local account to a Microsoft ...

Learn how to modify user settings to enable OneDrive files sharing.