Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC. Note that you’ll need a device that supports Miracast. Here’s how to mirror another screen or project to your PC.

If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

64-bit install. Insert the Office 2010 disc into the drive. Click the file folder icon on the taskbar or press ⊞ Win + E keys on your keyboard, and then right-click the disc drive icon and select Open. Open the x64 folder in the installation root, and then double-click setup.exe. When prompted, enter the product key.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Pour vous déconnecter, accédez à Outlook.com. Sélectionnez les initiales de votre compte ou l’image de votre compte dans le coin supérieur de votre boîte de réception. Sélectionnez Se déconnecter. Conseils : Si votre image n’apparaît pas en haut de l’écran, vérifiez si le logiciel anti-publicité est activé.

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Learn how to switch out of S mode to install apps from outside of the Microsoft Store or to upgrade to Windows 11.

Sign out of Hotmail or Outlook.com. To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing.