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

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

Learn how to recover files that have been lost, deleted, or accidentally changed.

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.

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.

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

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:

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

Windows 設定アプリを使用して、デスクトップの背景と色を変更します。