在您的裝置上下載 Microsoft Defender，方法如下： 掃描下列 QR 代碼 在 App Store 中搜尋 Microsoft Defender 與您的裝置共用，下列連結： 複製連結 我們鼓勵您為每個人至少在五部裝置上安裝 Microsoft Defender。 準備好試試看了嗎？

Find out more info about what doxing is and how to protect yourself from those who might try to use your private info against you on the Xbox service.

Important: This article is about the Microsoft Defender app that is included with Microsoft 365 Family or Personal subscriptions. If you're looking for information about the Microsoft Defender Antivirus that is built into Windows, see Stay protected with Windows Security.

Provides links to the uninstall tools and directions for many security programs.

Learn how the AI-driven Support Virtual Agent works and how it can help answer your Xbox support questions.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Removing permissions or accounts may break some app functionality. If you have problems after you remove permissions or accounts, contact your work or school admin for additional assistance.

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 ...

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.

As you're getting your Microsoft 365 business subscription set up, you'll want to download and install your Microsoft 365 apps, like Word, Excel, Microsoft Teams, and PowerPoint, on your PC or Mac.