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

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

Get started with basic tasks in Excel such as opening a workbook, entering and formatting data, calculating data, and trying some quick analysis features..

In Windows 11 22H2, the default app used to host console windows has been changed to Windows Terminal. After the October 2022 update, Command Prompt, Windows PowerShell, and other console apps will appear inside an instance of Windows Terminal.

Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.

Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。

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.

Fixes an issue in which applications that use the MFC library of Visual C++ 2013 may behave incorrectly when the operating system is in high-DPI mode.

Learn more about how to find all your apps and programs in the all new Windows Start menu.