Things to try to fix touchpad problems in Windows 10 and 11. If your touchpad isn’t working, it may be a result of a missing or out-of-date driver.

Learn how to use the Settings app to view and change display settings in Windows.

Outlook on the webは、組織で使用される Outlook の Web ベースのバージョンです。この Web ベースのバージョンの Outlook にアクセスするには、職場または学校アカウントでサインインする必要があります。

Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made. To go back to a restore point:

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.

To download the offline installer for Internet Explorer 11, choose your language and system below.

PC 正常性チェック アプリは、お使いの Windows デバイスの正常性に関する最新の情報を提供して、デバイスのパフォーマンス向上のための対処や、パフォーマンス問題のトラブルシューティングに役立ちます。

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

Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.

Learn how to fix common OneDrive personal or OneDrive for Business sync problems.