Hier erfahren Sie, wie Sie eine Datenträgerbereinigung in Windows, z. B. temporäre Dateien und Systemdateien löschen, um Speicherplatz frei zu machen.

Learn how to identify a phishing scam, designed to steal money via fake emails.

Find answers to common questions about genuine Windows software.

As a meeting presenter, you can use Microsoft Forms to create polls before your Microsoft Teams meeting, then launch them during it so attendees from any endpoint (mobile, web, desktop) can view and answer. When you launch your poll, it will pop up on attendees' meeting screens as well as in the meeting chat. Attendees can also create ad-hoc polls during a meeting to get quick feedback on the ...

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。

If you have multiple accounts in Outlook, when you compose a new email message, Outlook picks the default account as the From account.However, if you want to Reply, Reply All, or Forward a message, Outlook will send your message with the same account the original mail was sent to.For example, Cheryl has two accounts.

Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.

Microsoft アカウントへのサインインに関する問題を解決する方法について説明します。 パスワードの確認、アカウントのロック、およびその他の Microsoft アカウントのログインの問題を解決します。

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Find app notifications from the taskbar in Windows 11, and in Windows 10, use quick actions to change settings quickly as well.