Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

デバイスで Windows 11 を実行できることの確認から、ファイルのバックアップと Windows 11 のインストールまで、Windows 11 アップグレードの準備の方法について説明します。

[設定] の [Windows Update] ページにアクセスするための推奨オプションなど、Windows 11 をインストールする方法をご覧ください。

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 the IF function (combined with the AND, OR, and NOT functions) in Excel to make logical comparisons between given values.

Use your scanner and download an app from Microsoft Store to scan a document or picture to your PC.

Create an ISO file for Windows 10. Unlike in previous versions of Windows, you’ll need to use the media creation tool to create an ISO file to install Windows 10.

了解如何安装 Windows 11，包括在“设置”中访问 Windows 更新页的建议选项。

Learn how to add a printer or scanner in Windows. If your printer connects by a wire, plug it into your device. It'll connect automatically, your PC will download the right drivers, and you can use it right away.

Try these solutions if you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out.