Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Learn how to find which version of Windows operating system your PC is running and device specifications.

Learn how to set up automatic replies in Outlook on Windows 10 for when you're out of office or unavailable to respond to emails.

Learn how to use Disk Cleanup to remove files from a previous installation of Windows.

Your Phone is now Microsoft Phone Link! Learn more about our recent name change for our PC and Android mobile apps.

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.

Learn how to troubleshoot problems updating Windows. Find answers to common questions and issues installing Windows updates.

Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

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.

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.