Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.

If you need help with Outlook.com, you can read our self-help content, or get support via email.

Learn how to improve the clarity of text and images displayed on your screen by changing the screen resolution of your monitor.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

How to add and request read receipts and delivery notifications in Outlook.

了解如何排查 Windows 中的蓝牙问题。 解决连接蓝牙设备或配件时出现的问题。

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

Learn how to edit, save, and create a template in Office. You can create and save a template from a new or existing document or template.

As with past updates, we respect your active hours. Changes enabled via the cloud take a couple seconds to install, so they won't interrupt your work or spend device resources. Restarting can be scheduled at any time that's convenient for you.