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

Find out how to back up your apps, files, photos, and preferences on your Windows PC with File History and other tools.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

Type regedit in the search bar on the taskbar, then select Registry Editor (Desktop app) from the list of results.

This page provides phone numbers of Microsoft customer service.

The steps below will help you add a Gmail account to new Outlook, or manage an existing account by deleting it or making it your primary account. Add a new Gmail account. On the View tab, select View settings.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.

Learn how to use and install mobile apps on your Windows 11 PC with the Windows Subsystem for Android™.

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.