Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

Note: Check the Don't show this again box if you want to go straight to Outlook.com next time (not recommended for shared computers). Can't sign in to Hotmail or Outlook.com? Microsoft always keeps an eye out for unusual sign-in activity, just in case someone else is trying to get into your account. If you're travelling to a new place or using ...

If you can't connect to the Ethernet network on either PC, it might be a problem with your router, internet service provider, or USB to Ethernet adapter. On your home router. Try these things first to help you fix or narrow down the connection problem. Check the Ethernet cable and connection. Make sure the Ethernet cable is securely plugged ...

Important: The National Public Data breach exposed personal information, including names, addresses, and social security numbers.Learn how to protect yourself and how Microsoft Defender is helping to prevent fraud. See: National Public Data breach: What you need to know.

A theme is a combination of desktop background pictures, window colors, and sounds. Get a theme. To get a theme, expand one of the categories below, select a link for the theme, and then select Open.This saves the theme to your PC and puts it on your desktop.

If these steps didn't work, or you have other account sign in issues, use our Sign-in helper tool. Microsoft account security info & verification codes. How to help keep your Microsoft account safe and secure. Change or reset your Windows password. Accessing the account of someone who has died

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.

Microsoft Edge 是 Microsoft 推荐的浏览器. 对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束。 如果访问的任何网站需要 Internet Explorer 11，则可以在 Microsoft Edge 中使用 Internet Explorer 模式重新加载它。

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.