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.

Windows 10 の起動時に自動的に実行するアプリを追加する. Windows 10. [スタート] ボタンを選択し、スクロールして、起動時に実行するアプリを見つけます。. アプリを右クリックし、 [その他] を選択して、 [ファイルの場所を開く] を選択します。. これにより ...

To get started, open the Copilot app from the Start menu or use the Copilot icon if present on your Windows taskbar. If your device keyboard includes a dedicated Copilot key, you can also use it to launch Copilot. Copilot uses your Microsoft account to provide personalized assistance and access to a wide range of features.

Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.

Microsoft Edge makes it easy to save your passwords as you browse the web. When you enter a new password in the Edge browser on your desktop or mobile device, Microsoft Edge will ask if you want your username and password remembered. The next time you visit the site, the browser will finish filling in your account info. If you’re signed into Edge with your Microsoft account, these passwords ...

Many tools and options in Microsoft Edge are available when you select Settings and more . If you don’t see the options you need, select Settings from there.

Learn how to close your Microsoft account and understand the potential impact on other apps and services.

Decide which documents to recover from an unexpected close, delete recovered files you don't want, or close recovered files to review later.

删除 "添加/删除程序" 工具中的无效条目 重要提示：本文包含有关修改注册表的信息。修改注册表之前，请确保将其备份，并确保了解当出现问题时如何还原注册表。有关如何备份、还原和编辑注册表的信息，请单击下面的文章编号，以查看 Microsoft 知识库中相应的文章：

Learn how you can free up drive space in Windows. Keep your PC running smoothly and up to date by increasing the disk space.