Learn how to sign into your PC with Windows Hello using a PIN, facial recognition, or fingerprint.

Hotmail 现在是 Outlook.com。 了解如何登录以访问 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户。

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.

Subscribed. A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.. Don't already have Microsoft 365, or you're looking for product details and prices? Buy or try Microsoft 365

Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Connect your Surface on Windows 10 to a TV, external display, or projector by using the Surface HD Digital AV Adapter or the Surface VGA Adapter.

You can send a meeting request to one or more people. Outlook reserves time on your calendar for the meeting and tracks who accepts the invitation.

The TEXT function lets you change the way a number appears by applying formatting to it with format codes.It's useful in situations where you want to display numbers in a more readable format, or you want to combine numbers with text or symbols.

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac.