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

Learn how to contact Microsoft Store support to get help for your payment and billing issue.

スライド マスターとは 記事; PowerPoint でスライドの追加、配置変更、複製、削除を行う 記事; スライド レイアウトを適用する

A list of Excel training, from entry level to advanced skills, plus templates and other resources.

Learn how to improve Windows PC performance if your device is running slowly.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

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。

Learn how to connect to a Wi-fi network in Windows and manage your current network connections.

If you don't want to use OneDrive, the easiest solution is to unlink it. Follow the steps in Turn off, disable, or uninstall OneDrive, for how to unlink, hide, and uninstall OneDrive from your PC.