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.

Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.

了解如何添加新的 Xbox 好友，以便快速在线找到他们，为你的下一场游戏冒险做好准备。

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.

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.

To import a text file, you can open the file or import the text file as an external data range. To export a text file, use the Save As command.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.