Find everything you need to manage your Microsoft account, Xbox profile, and more.

Windows Firewall helps protect your device by filtering network traffic and blocking unauthorized access. It lowers the risk of network security threats by allowing or restricting connections based on specific criteria such as IP addresses, network ports, and application program paths. You can use the Windows Security app to view and manage the status of Windows Firewall. You can turn the ...

Uninstall from the Start menu Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings Select Start > Settings > Apps > Installed apps . Find the app you want to remove, select More > Uninstall.

有兩種方式可允許應用程式通過 Windows Defender 防火牆。 兩者都有風險： 將應用程式新增至允許的應用程式清單 (風險較低) 開啟 (風險更大的埠) 當您在 Windows 防火牆中開啟埠時，即允許流量進入或註銷您的裝置。 這會降低裝置的安全性，並可能會讓駭客或惡意代碼有機會使用其中一個開口來取得您 ...

Xbox Support ... Xbox Support

深入了解各種 Xbox 強制處分的不同通知方式，以及可在何處取得其相關詳細資訊。

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Check the Xbox services, games, and apps for any service outages.

Find out what to do when you receive a “Call us overprotective” message when signing in to Xbox.com.

Uninstall and reinstall Office or Microsoft 365 Use the uninstall troubleshooter to uninstall Microsoft 365, Office 2021, Office 2019, or Office 2016 from your Windows PC. Select the button below to start the uninstall troubleshooter. Uninstall Click Open if you get a pop-up window indicating This site is trying to open Get Help. Follow the prompts on the remaining screens and when prompted ...