How to start a scan for viruses or malware in Microsoft Defender
If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Stay Protected With the Windows Security App - Microsoft Support
The Windows Security app is a comprehensive security solution integrated into Windows, designed to protect your device and data from various threats. It includes features such as Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, which work together to provide real-time protection against viruses, malware, and other security threats. The app is built into Windows, ensuring ...
安裝 Microsoft Defender - Microsoft 支援服務
安裝 Microsoft Defender，保護您的Android、iPhone、Mac和 Windows 裝置免於受到威脅。 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？
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Getting started with Microsoft Defender - Microsoft Support
Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows, Microsoft Defender Online
What to do when a malicious file is found in SharePoint Online ...
A file in SharePoint, OneDrive, or Teams is blocked. What do you do? Read this article to learn why this is happening and steps you can take.
Applies To:
SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), Microsoft Teams, OneDrive for Mac, OneDrive for Windows, SharePoint admin center
在電腦或 Mac 上下載、安裝或重新安裝 Microsoft 365 或 Office 2024
準備好安裝 Microsoft 365或 Office 2024了嗎？ 開始之前，請確保您的 PC 或 Mac 符合 系統需求。 如果您已兌換產品金鑰、重新安裝應用程式，或您已透過公司或學校指派授權，您可以略過並移至「登入」區段 ，以下載並安裝 Microsoft 365 或 Office。 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能 ...
Applies To:
Office 2024, Office 2024 for Mac, Microsoft 365 for home, Microsoft365.com, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
How to spot a "fake order" scam - Microsoft Support
A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...
Download and install apps - Microsoft Support
Learn how to download and install apps you need from your Microsoft 365 business subscription.
Troubleshooting tips for downloading, installing, and updating ...
Get troubleshooting tips if you run into problems downloading, installing, or updating Microsoft Edge.
Windows Update Assistant - Microsoft Support
This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.