Summary. Windows 10, versions 2004 and 20H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 10, version 20H2 are included in the latest monthly quality update for Windows 10, version 2004 (released October 13, 2020), but are in an inactive and dormant state.

Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

提示: 登入時，如果您下次想要直接移至信箱，請在 [保持登入?] 提示中選取 [是] (不建議用於共用電腦)。 或者，選取 [不要再顯示這個] 方塊，然後選取 [否]，這樣每次都會提示您輸入密碼。. 如果您無法登入或忘記您的使用者名稱或密碼，請使用我們的 [登入疑難排解員]。

Summary. Windows 10, versions 2004, 20H2, 21H1, and 21H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 10, version 21H2 are included in the latest monthly quality update for Windows 10, version 2004, 20H2, and 21H1, but are in an inactive and dormant state.

If you purchase DLC and add-ons for a game that later leaves the catalog, your DLC and add-ons will not be removed. However, to continue playing the DLC and add-ons, you’ll need to purchase a digital copy of the game from the Xbox app for Windows or the Microsoft Store, play from a disc, or obtain another form of entitlement to continue playing the game

Pressing the Xbox button (or Home button on some controllers) may take you to the home screen on your Android device. If your controller does not have an Xbox/Home button equivalent, you can use the on-screen touch version of the Xbox button located in the center of your game screen.; Some controllers can be used with a wired connection instead of Bluetooth.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

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.

Why accounts are locked and disabled. Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement.Here are some common reasons why accounts are locked, though not all account locks occur for these reasons: