Summary. This update includes a new user interface (UI) functionality for Windows Update in Windows.

Learn how to use the PC Health Check app to help you improve your device performance.

Office Insiders に参加して、Windows 用の新しい Outlook の使用を開始します。 最新バージョンの Outlook を最初に確認し、改善に役立つフィードバックを送信できます。

Create a new mail profile that contains information about your accounts and data files.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

デバイスがアイドル状態のときのエネルギー使用量を減らすために、画面とスリープの Windows の既定値が更新されました。

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification

Learn how to receive a refund or exchange for items purchased from Microsoft.