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
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
Send encrypted messages with a Microsoft 365 personal or family ...
If you have a Microsoft 365 Family or Microsoft 365 Personal subscription, Outlook includes encryption features that let you share your confidential and personal information while ensuring that your email message stays encrypted and doesn't leave Microsoft 365. This is useful when you don't trust the recipient's email provider to be secure. To see encryption options, compose a new message ...
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2021 for Mac, Outlook 2019 for Mac, Outlook.com, New Outlook for Windows, Outlook for Android, Outlook for iOS
Send S/MIME or Microsoft Purview encrypted emails in Outlook
Send S/MIME or Microsoft Purview encrypted emails in Outlook using a work or school account with a qualified Microsoft 365 subscription.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft Office, New Outlook for Windows, Outlook Web App
Block pop-ups in Microsoft Edge - Microsoft Support
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 ...
Applies To:
Microsoft account dashboard
Seamlessly transfer content between your devices - Microsoft Support
File sharing between your mobile device and your PC Now you can seamlessly share files between your PC and mobile device when they are connected via Phone Link and the Link to Windows app. What do I need to share files between my PC and mobile device? A PC running Windows 10 (with the May 2019 update or later) or Windows 11 Android device running Android 9.0 or later Link to Windows app ...
Fix problems with apps from Microsoft Store - Microsoft Support
Get troubleshooting tips to fix problems with apps from Microsoft Store.
Download files from the web - Microsoft Support
Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.
Download Microsoft Authenticator - Microsoft Support
To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store. Get the app