Learn how to run a disk cleanup in Windows including deleting temporary and system files to free up disk space.

セーフ モードのトラブルシューティングを自動化する. Microsoft サポートおよび回復アシスタントは、セーフ モード分離プロセスを完全に自動化して、問題がアドイン、スタートアップ フォルダー内のファイル、またはツール バーの設定によるものかどうかを知らせます。

My Outlook doesn't look like any of these pictures. There are multiple ways for you to send and receive email, and multiple versions of Outlook available. If the images in these topics don't match what you see on your screen, you might be using a different version of Outlook. See What version of Outlook do I have? for more information.

To create the installation media, here's what you'll need: A PC with a reliable internet connection. The download time will vary, depending on your internet connection.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

Open User Accounts by clicking the Start button , clicking Control Panel, clicking User Accounts and Family Safety, clicking User Accounts, and then clicking Manage another account .. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.

Try these things to troubleshoot network connection issues in Windows 11. Make sure Wi-Fi is on. Select Start > Settings > Network & internet, then turn on Wi-Fi.Next, select More options (>) next to Wi-Fi, then select Show available networks.If a network you expect to see appears in the list, select it, then select Connect. Open Wi-Fi settings

Note: Excel can’t highlight duplicates in the Values area of a PivotTable report. Select Home > Conditional Formatting > Highlight Cells Rules > Duplicate Values . In the box next to values with , pick the formatting you want to apply to the duplicate values, and then select OK .

Note: If you don't see a Security processor entry on this screen then it's likely that your device doesn't have the TPM (Trusted Platform Module) hardware necessary for this feature or that it's not enabled in UEFI (Unified Extensible Firmware Interface). Check with your device manufacturer to see if your device supports TPM and, if so, steps ...

PC でWindows 11に問題がある場合、または古いファイルやアプリが煩雑にならずにWindows 11の新しいコピーが必要な場合は、Windows 11を再インストールして問題を解決し、PC をよりクリーンな状態に戻すことができます。