How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

Optimizations for windowed games improves gaming on your PC by using a new presentation model for DirectX 10 and DirectX 11 games that appear in a window or in a borderless window.

With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.

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

Découvrez comment obtenir les dernières mises Windows jour pour assurer le bon fonctionnement et la sécurité de votre appareil.

Notes: If you can't use your camera to scan a QR Code, click Can't scan the image on your PC and tap Enter code manually on your mobile.. If you are allowed by your admin to use phone sign-in using Authenticator, you'll be able to go through device registration to get set up for passwordless phone sign-in and Azure AD Multi-Factor Authentication.

For Windows 10. In the search box on the taskbar, type control panel, and then select Control Panel.. For Windows 8.1 / Windows RT 8.1. Swipe in from the right edge of the screen, tap Search (or if you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search), enter Control Panel in the search box, and then tap or click Control Panel.

5. You can add more tabs. To put apps and files in tabs at the top of a channel, select Add a tab next to a tab name. You'll see a list of things to add (favorite apps and files).

To change notification settings for individual senders, under Get notifications from these senders, turn a notification sender either on or off—or select a sender's name and then turn on or turn off notification banners, lock screen privacy, turn notification sounds on or off, and set the priority of notifications.

Learn how to use voice access for accessibility. This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.