What is a Microsoft account used for? You need a Microsoft account to sign in to your Windows pc, Xbox console, or any of Microsoft’s products and services, including Office, Outlook.com, OneDrive, Xbox Live, Microsoft 365, Family Safety, Skype, Bing, Microsoft Store and MSN.

Resolution. To fix this problem automatically, run the "Fix problems that programs cannot be installed or uninstalled" troubleshooter to repair issues that block program installation or removal because of corrupted registry keys.Important To perform many of the methods and steps in this article, you must be logged on to your computer as an administrator.

了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。

Find out how to get a DVD player app, add-on, or plug-in, or whether you can upgrade your edition of Windows to add DVD playback.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Helping users safely navigate web, app, and game content is one of Microsoft’s top priorities. If you live in a region that requires permission to create an account and access Microsoft services, you may be prompted to request or give parental consent.

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

Microsoft Authenticator backs up your account credentials and related app settings, such as the order of your accounts, to the cloud. You can then use the app to recover your information on a new device, potentially avoiding getting locked out or having to recreate accounts.

How to turn on recurring billing. When recurring billing is turned on, you’ll be billed for your subscription on your renewal date. If you turn off recurring billing, your subscription will expire on the date shown, and you won't be billed in the future.

Issue. Next step. If BitLocker Group Policy Configure TPM platform validation profile for native UEFI firmware configurations is enabled and PCR7 is selected by policy, it may result in the update failing to install.. To view the PCR7 binding status, run the Microsoft System Information (Msinfo32.exe) tool with administrative permissions.