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.

قبل البدء، تأكد من أن جهاز الكمبيوتر Windows 11 يدعم Bluetooth. لمزيد من المعلومات حول كيفية التحقق، راجع إصلاح مشاكل Bluetooth في Windows.إذا كنت بحاجة إلى مساعدة في إضافة جهاز بدون قدرات Bluetooth، فشاهد إضافة جهاز إلى كمبيوتر Windows.

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Cookies are small pieces of data stored on your device by websites you visit. They serve various purposes, such as remembering login credentials, site preferences, and tracking user behavior.

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。但是，Windows 安全中心已预安装并可随时使用。

Last updated: February 2024. For previous versions, please see the archives here. Our Approach to Search. We recognize that in our technology-driven world, search engines are in many ways the gateway to the internet and the primary way people find the content they are looking for amongst the trillions of ever-changing webpages available online.

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Turn on Find my device. When you set up a new device, you can decide whether to turn on or turn off the Find my device setting. If you turned it off during setup and now want to turn it on, make sure your Windows device is connected to the internet, has enough battery power so it can send its location, and that you're signed in to the device using your Microsoft account.

If you accidentally delete a file or folder in OneDrive, you may be able to recover it later from the OneDrive recycle bin.. For info about restoring a SharePoint file or folder, see how to restore items from the SharePoint recycle bin.For info about restoring SharePoint files stored in OneDrive, see Restore a previous version of a file in OneDrive.