If you’re able to turn on your Surface, be sure to save any important files and info from your Surface to another computer, drive, or cloud storage service like OneDrive.For more info, see How to prepare your Surface for service.. If your device warranty does not match your proof of purchase, see Update your warranty with your proof-of-purchase. ...

Surface Pro (5th Gen) and Windows 10. Surface Pro (5th Gen) comes with Windows 10 Pro edition. If you're not sure which Surface model you're using, see Which Surface model do I have?. Diagrams of Surface Pro (5th Gen)

Type info in the search box on your taskbar, and then select System Information.

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.

Important: If you originally installed the Excel add-in from a network file server or from a shared folder, you might need to remove the add-in from that location.If you installed the Excel add-in from a CD and you mapped your CD drive to a new drive letter after installing the add-in, you need to reinstall the add-in from the CD.

If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.

Pick a team and channel. A team is a collection of people, conversations, files, and tools — all in one place. A channel is a discussion in a team, dedicated to a department, project, or topic.. The best way to get familiar with teams and channels is to pick a team and channel and start exploring! Select Teams on the left side of the app and then pick a team.

1. 使用Microsoft帐户登录. 系统将提示你使用 Microsoft 帐户登录 . 如果移动设备上已有Microsoft帐户，系统会要求确认帐户，然后单击“ 继续”。 如果你的移动设备上没有现有的Microsoft帐户，系统会要求你登录帐户或创建一个新帐户，然后单击“继续”。 2.

Important : Vous devez limiter le nombre d’administrateurs sur votre appareil Windows, car les administrateurs ont un contrôle total sur le système.Les administrateurs peuvent modifier les paramètres, installer des logiciels et accéder à tous les fichiers. Si trop de personnes ont ce niveau d’accès, cela peut entraîner des risques de sécurité tels que l’installation de ...

Change Internet Explorer settings. There are many changes you can make to customize your browsing experience in Internet Explorer. To view all settings and options, open Internet Explorer on the desktop, select Tools > Internet options.. Reset Internet Explorer settings