Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

All Xbox digital codes are 25 characters long, include both numbers and letters, and are formatted in five blocks of five characters (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx).

Tipp: Wenn Sie einen Adapter für die drahtlose Übertragung verwenden, stellen Sie eine Verbindung mit einem HDMI-Anschluss an neueren Fernsehgeräten her, und schließen Sie dann Ihren PC drahtlos an ihn an. Nachdem Sie Ihre drahtlose Grafikkarte mit Ihrem Fernseher verbunden haben, wechseln Sie zu Ihrem Windows 11-PC, drücken die Windows-Logo-Taste + K, um Cast zu öffnen und wählen dann ...

For Wi-Fi connection. Select Start > Settings > Network & internet > Wi-Fi and then select the Wi-Fi network you're connected to.

注意: 使用安装介质重新安装Windows 11，同时选择“不保留任何内容” (干净安装) ，如果重新安装 Windows 的分区为 20GB 或更大，则将自动启用保留存储。 保留存储空间将留出磁盘空间以供更新、应用、临时文件和系统缓存使用，因此可确保关键的操作系统功能始终可以访问磁盘空间，从而改进了电脑 ...

View previous versions of a file. If your file is stored in OneDrive or SharePoint in Microsoft 365, you can go back to a previous version of file.

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

Learn about cloud gaming on Xbox using your Android, iOS, or Windows device.