Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code Searching for Microsoft Defender in your app store Sharing with your devices, the following link: Copy link We encourage you to install Microsoft Defender on at least five devices per person. Ready to give it ...

了解如何新增安全性資訊以保護您的 Microsoft 帳戶。

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

了解如何添加安全信息以便保护你的 Microsoft 帐户。

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

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Enter the name or phone number of a contact. Select the person you want to send a message to. A new message thread opens for you to begin with. If you encounter issues while using messages, our troubleshooting tips may help. Adding media to your conversations Below the message box are three buttons to help you insert content into your message.

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default. There are many different types of pop-ups, including advertisements, notices, offers, or alerts that can appear at various times on any web page. Some can be helpful, such as ...

If you’re experiencing issues with the Easy Anti-Cheat tool on your Windows device, try our troubleshooting steps. If none of the solutions below resolve your issue, contact Epic Games for additional support: Request Tech Support

A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...