Learn how to sign in or out of your Outlook.com, Hotmail, Live, or MSN email account with Microsoft Support's step-by-step guide.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Keeping your login information secure will sometimes require you to change a password. You can easily edit the passwords saved in Microsoft Edge.

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

Summary. Windows 11, versions 22H2 and 23H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 11, version 23H2 are included in the latest monthly quality update for Windows 11, version 22H2 but are in an inactive and dormant state.

Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.

直接从 Microsoft 购买的大部分软件（例如Office，Windows 和 Xbox 游戏）都为数字下载内容，您可以下载，安装或重新安装。 购买软件后，下载内容将显示在您的 订购历史记录中。 要查找指定下载内容，请使用用于购买的 Microsoft 帐户登录“订单历史记录”页面。

Learn how to find and change settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.

Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.