Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Windows - Microsoft
若要访问登录选项,请依次转到“开始” > “设置” > “帐户” > “登录选项”。 或者直接单击此按钮: 转到“登录选项” 更改或管理密码或 PIN. 若要更改密码或 PIN,请转到“开始 > 设置> 帐户 ”> 登录选项。. 选择“PIN (Windows Hello)”,然后选择“更改 PIN”。
Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed
Restore deleted files or folders in OneDrive - Microsoft Support
If you accidentally delete a file or folder in OneDrive, you may be able to recover it later from the OneDrive recycle bin.. For info about restoring a SharePoint file or folder, see how to restore items from the SharePoint recycle bin.For info about restoring SharePoint files stored in OneDrive, see Restore a previous version of a file in OneDrive.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Use Smart charging in Windows - Microsoft Support
Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.
Video: What is OneDrive? (personal) - Microsoft Support
Training: Microsoft OneDrive lets you store your personal photos, files, and folders in one place, and get to them anytime, anywhere. Learn more in this online training video.
Applies To: OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Request a refund for digital games | Xbox Support
Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date; Requests are for games in which you haven’t accumulated a significant amount of play time
Installing Windows 11 on devices that don't meet minimum system ...
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Options de connexion de Windows 10 et protection des comptes
Lorsque vous configurez la biométrie Windows Hello, cette fonctionnalité crée une représentation de données à partir de la caméra frontale, du capteur d'iris, voire du lecteur d'empreintes digitales, sous forme de graphique, qui est ensuite chiffrée avant d'être stockée sur votre appareil.
Surface help & learning
Choose from a variety of Surface devices and accessories to get help.