With Microsoft Edge, you can turn on sync to browse the web on all your devices, keep your favorites organized, and more.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

修复 Windows 中的声音或音频问题; 设置 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式 USB-C 耳机

Learn how to personalize a Windows lock screen with a background photo, slideshow, or app notifications.

Manage money in Excel. Control your household budget with Excel budget templates. Track monthly budgets by income and expenses to set financial goals.

This page is for Microsoft 365 Basic, Microsoft 365 Personal, and Microsoft 365 Family subscriptions only. For help with other subscriptions purchased through Microsoft see Cancel a Microsoft subscription. If you purchased a Microsoft subscription from Google Play or the Apple app store, contact their customer support for cancellation or refund.

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

Learn how to get Windows Media Player 12 for Windows 10, Windows 8.1, and Windows 7.

如果上述步骤都不能修复你的蓝牙问题，请使用 Windows 反馈中心报告错误。 这可帮助 Microsoft 确定此问题的根本原因。

Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.