Download Microsoft Authenticator | Microsoft Support
Download Microsoft Authenticator Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password.
Protect yourself from tech support scams - Microsoft Support
Learn how to protect your PC, identity, and data from tech support scams.
Use apps from your Android device on your PC - Microsoft Support
With the Phone Link , you can instantly access the Android apps installed on your mobile device right on your PC. Using a Wi-Fi connection, Apps allows you to browse, play, order, chat, and more — all while using your PC’s larger screen and keyboard.
Microsoft security help and learning
Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.
Protect yourself from phishing | Microsoft Support
Protect yourself from phishing Phishing (pronounced: fishing) is an attack that attempts to steal your money, or your identity, by getting you to reveal personal information -- such as credit card numbers, bank information, or passwords -- on websites that pretend to be legitimate. Cybercriminals typically pretend to be reputable companies, friends, or acquaintances in a fake message, which ...
Setting up Apps in the Phone Link - Microsoft Support
With the Phone Link app on your PC, you can open and use apps from your Android device.
智慧應用程式控制常見問題 - Microsoft 支援服務
常見問題 (常見問題) 關於智慧應用程式控制（Smart App Control）的資訊，這是 Windows 的一項功能，旨在阻擋惡意、不信任或可能不受歡迎的應用程式在您的裝置上運行。
What happens if there's an unusual sign-in to your account
Microsoft prioritizes account security and works to prevent people from signing in without your permission. When we notice a sign-in attempt from a new location or device, we help protect the account by sending you an email message and an SMS alert. If your phone number or email changes, it's important to promptly update the security contact info on the Security basics page so we can work with ...
Applies To:
Microsoft account dashboard
Windows Security app update - Microsoft Support
This security update provides the latest changes for the Windows Security app. The update is composed of the Windows Security app and its underlying service. This update applies to only Windows 11 devices (build 22000 or later) To determine the current running version of the Windows Security app, run the following PowerShell command: Get-AppPackage Microsoft.SecHealthUI Windows Security ...
Seamlessly transfer content between your devices - Microsoft Support
Learn how to use drag and drop to transfer content between your Android device and PC.