When you open a port in Windows Defender Firewall you allow traffic into or out of your device, as though you drilled a hole in the firewall. This makes your device less secure and might create opportunities for hackers or malware to use one of those openings to get to your files or use your device to spread malware to other devices.

If you are using a Surface Pro tablet, you can install Office and email as you would on a desktop computer! See Install Office on your PC or Mac.

Apps can also be found on Start . The most used apps are at the top, followed by an alphabetical list. The most used apps are at the top, followed by an alphabetical list. See installed apps and programs on your device

The Microsoft 365 app launcher is a menu of apps and services that you are licensed for, and opens when you select the app launcher icon on Microsoft365.com. The App launcher makes opening and switching between your apps easy by highlighting your recently used apps, and providing quick access to your recent online Office documents.

Microsoft Store on Windows can automatically install app updates. Select the Start button, then search for and select Microsoft Store . In the Microsoft Store app, select Profile (your account photo) > Settings .

仍想要下载 Internet Explorer 11？ 尽管 Internet Explorer 11 不再受支持，但你仍可下载并安装它。 Internet Explorer 下载中心. 了解你使用的是哪个版本的 Internet Explorer，或者运行的是哪个操作系统。

滚动到“安装…”< 要下载的游戏名称 >。 转到“我的游戏和应用”>“管理”>“队列”，并记下显示的正在安装游戏或应用的下载速度。这表示当前的下载速度。如果看到速度缓慢（例如，每秒小于 1 兆位），则可能需要很长时间才能完成下载。

Select People > Apps, and then select Get more apps in the Store. Choose an app from the list, and on its description page select Get. After the app is done installing, select People > Apps and select the app to import contacts.

App & browser control in Windows Security provides the settings for Microsoft Defender SmartScreen, which helps protect your device from potentially dangerous apps, files, websites, and downloads. The settings on the App & browser control page let you: Block unrecognized apps, files, malicious sites, downloads, and web content.

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.