Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

Press the Start button on the taskbar, type settings, and then select Settings.; On Windows 10, select Update & Security.On Windows 11, select Windows Update.; On the Windows Update page, select Check for updates to see if any updates are available for your device.; Once the updates have downloaded, select Install now to start the installation.; Following installation, we recommend that you ...

名称. 版本. KB. 拱门。 语言. 版次.NET 版本 大小. 自定义. Windows 10 专业版，版本 1809. 17763.2237.211007-0715. 累积 KB 5006672.NET KB 5004335. SetupDU KB 5005545. SSU KB - 在 LCU 中

Note To use many of the Xbox features within Game Bar, including Xbox Social features, you must have the Xbox app for Windows installed. To use Xbox Social features, sign in to Game Bar with your Microsoft account. Press the Windows logo key + G to open Game Bar, choose Settings > Accounts, select Sign in, and then follow the steps.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Get help and learn how to use Skype with Microsoft's official support page.

If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list.

在设备上启动 Xbox 移动应用，然后点击帐户玩家图片以显示你的档案。 点击“链接社交帐户”。 从此处单击每个选项将启动默认浏览器，从而进入你希望添加的每个链接的服务登录页面。

In the left pane, click Create a system repair disc, and then follow the steps. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.

If you're having trouble launching Microsoft Store, here are some things to try: Reset the Microsoft Store cache: Press the Windows Logo Key + R to open the Run dialog box, type wsreset.exe, and then select OK.