Learn about what effect closing a Microsoft account might have on your other apps and services.

Microsoft Edge uses your past preferences and usage to make recommendations for which basic information would be best suited for creating an online account.

Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

Learn how to create a VPN connection profile in Windows, and then use it to connect to a VPN.

Learn how to recover deleted items, such as email, contacts, calendar appointments, and tasks in Outlook.

July 25, 2024 — KB5041169 Cumulative Update Preview for .NET Framework 3.5, 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2

Here's how to show icons, hide them, or change their size in Windows. To show or hide desktop icons. Right-click (or press and hold) the desktop, point to View, and then select Show desktop icons to add or clear the check mark.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

Get answers to some basic questions about what two-step verification is, and how to set it up and use it to help keep your Microsoft account more secure.

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.