The following steps describe how to uninstall Microsoft 365 products on a PC (laptop, desktop, or 2-in-1). For Mac, see Uninstall Office for Mac.

Learn how to troubleshoot problems updating Windows. Find answers to common questions and issues installing Windows updates.

Learn how to install Windows 11, including the recommended option of using the Windows Update page in Settings.

This cumulative update for Windows 11, version 25H2 and 24H2 (KB5077181), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

Learn how to check for the latest Windows Updates and install them to keep your device running smoothly and securely.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

コンピューター ウイルスを送信する最も一般的な方法の 1 つとして、添付ファイルの使用があります。 送信者と受信者をコンピューター ウイルスから保護するために、Outlook では特定の種類のファイル (.exe ファイルや特定のデータベース ファイル) を添付ファイルとして送受信する操作は ...

Windows Update is the recommend method to download, install, and update printer drivers. For information on how to update printer drivers using Windows Update, see the following article: