Use the Windows Settings app to change your default browser.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

How to use conditional formatting in Excel to visually explore, analyze, and identify patterns and trends.

Troubleshoot problems you might be having with your mouse or keyboard, or other wireless device in Windows.

Windows Photo Viewer isn't part of Windows 10, but if you upgraded from Windows 7 or Windows 8.1, you might still have it. To check, press and hold (or right-click) a photo in File Explorer, and select Open with.If Windows Photo Viewer isn't in the list, you cannot install it on Windows 10.

起動時に自動的に実行するアプリを追加する方法について説明します。

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。

How to freeze panes in Excel to keep rows or columns in your worksheet visible while you scroll, or lock them in place to create multiple worksheet areas.

Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.